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Questions and Answers

Which critical limitation did both Wedgwood and Davy's, and Niépce's early photographic experiments share, hindering the practical application of their processes?

  • The lack of a suitable binding agent to adhere the photosensitive chemicals to the substrate, causing the emulsion to flake off and the image to degrade rapidly.
  • The excessive sensitivity of the photosensitive materials to ambient light, making it impossible to control exposure times precisely and causing widespread overexposure.
  • The inability to achieve sufficient image resolution due to imperfect lens grinding techniques, leading to significant blurring and a lack of fine detail.
  • The impermanence of the captured image due to the continued reactivity of the light-sensitive materials, resulting in eventual darkening and obliteration of the image. (correct)

James Watt's primary contribution to the field of photography involved the chemical stabilization of early photographic images through a process derived from steam engine technology.

False (B)

Elaborate on why Niépce's initial photographic endeavors resulted in the creation of negatives, and discuss the technical challenge he faced in converting these negatives into positives.

Niépce's early processes created negatives because the light-sensitive materials reversed tonal values, making dark areas light and vice versa. His immense challenge was in re-reversing the tones to produce a corrected positive print, a problem he could not resolve at the time.

Davy identified the critical missing element in early photographic processes as '______', which would have allowed for the creation of permanent, unshaded delineations.

<p>a method of preventing the unshaded part of the delineation from being coloured by exposure to the day</p> Signup and view all the answers

Match the figures with their contributions to early photography:

<p>Thomas Wedgwood = Experimented with silver nitrate to capture shadow images, but could not achieve image permanence. Humphry Davy = Collaborated with Wedgwood and recognized the need to prevent unshaded areas from darkening to make the process useful. Nicéphore Niépce = Created negative images using light-sensitive materials and attempted, unsuccessfully, to create positive prints. James Watt = Corresponded with Wedgwood and might have attempted to make some photographs.</p> Signup and view all the answers

How did the early nineteenth-century perception of lithography influence the trajectory of early photographic experimentation?

<p>Lithography's initial promise as a revolutionary image-making technique fueled a speculative bubble, diverting resources from scientific endeavors like photography. (A)</p> Signup and view all the answers

What critical advantage did Florence's photographic experiments possess over those of Wedgwood and Davy, allowing for eventual recognition despite initial obscurity?

<p>The specific advantage of Florence's photographic experiments is not described in the text. (B)</p> Signup and view all the answers

Considering the technical limitations of early photographic processes, what was the most significant obstacle preventing the widespread adoption of photography in the early 19th century?

<p>The lack of a reliable method for permanently fixing the image, resulting in ephemeral photographs that faded and degraded rapidly upon exposure to light. (D)</p> Signup and view all the answers

Given Niepce's process of heliography, which alteration would most drastically impede the creation of a durable printing plate?

<p>Employing a bitumen of Judea with inherent photosensitivity antagonists leading to reduced hardening upon exposure. (C)</p> Signup and view all the answers

Alois Senefelder's initial experiments with lithography involved the utilization of metal plates before transitioning to the more conventional limestone?

<p>False (B)</p> Signup and view all the answers

If Niepce aimed to adapt his heliographic technique for color reproduction, what fundamental modification to his materials would be necessary, considering the limitations of 19th-century chemistry and optics?

<p>The introduction of multiple layers of light-sensitive materials each reacting to different wavelengths of light, alongside a method for precise registration of these layers during exposure and development.</p> Signup and view all the answers

The primary advantage of lithography over traditional engraving techniques lies in its capacity to reproduce ______ with greater fidelity, thus enabling more nuanced artistic expression.

<p>Tonal Gradations</p> Signup and view all the answers

Match the material used in Niepce's process to the characteristics it requires:

<p>Bitumen of Judea = Light-sensitive hardening agent Lavender Oil = Solvent for unhardened areas Pewter Plate = Support base for coating Engraving = Template for image transfer</p> Signup and view all the answers

Given that Niepce's heliography process was predicated on the differential hardening of bitumen of Judea, which of the following environmental conditions during exposure would most likely result in a latent image with severely compromised resolution?

<p>Exposure in an environment with elevated levels of ultraviolet radiation but inconsistent light intensity due to intermittent cloud cover. (B)</p> Signup and view all the answers

Considering the chemical properties of bitumen of Judea and its role in Niepce's process, if an alternative substance were sought with enhanced photosensitivity and a higher degree of cross-linking upon exposure to light, which class of compounds would represent the most promising avenue for research?

<p>Diazonium salts with a moiety designed to undergo photo-induced Wolff rearrangement to yield a reactive ketene intermediate. (A)</p> Signup and view all the answers

Niepce's choice of pewter as a substrate was primarily motivated by its superior chemical inertness compared to other available metals, thereby preventing unwanted side reactions with the bitumen of Judea or the etching acid?

<p>False (B)</p> Signup and view all the answers

Considering Daguerre's artistic background and the technological limitations of his time, which of the following best characterizes the synthesis he achieved between theatrical illusion and nascent photographic techniques?

<p>Daguerre's primary innovation lay in adapting the aesthetic principles of dioramic entertainment to guide the development of chemical processes capable of capturing and preserving camera obscura images. (C)</p> Signup and view all the answers

The camera obscura given to Niepce by Daguerre proved instrumental in Niepce's heliographic advancements, significantly improving the clarity and detail of his early images.

<p>False (B)</p> Signup and view all the answers

Explain how the spatial illusions crafted within Daguerre's Diorama, such as the sensation of depth and recession showcased in 'Landscape with Gothic Ruins and Figures', influenced his subsequent pursuit to capture images permanently.

<p>Daguerre’s experience in creating deeply recessed theatrical space within the Diorama, achieved through techniques like shifting light and transparent paintings, likely motivated and informed his attempts to capture the realism afforded by the camera obscura permanently using chemical means.</p> Signup and view all the answers

Niepce termed his early photographic process ______, derived from Greek words meaning 'sun' and 'writing'.

<p>heliography</p> Signup and view all the answers

Match the individual with their respective contributions to early photographic technology:

<p>Niepce = Developed heliography, an early photographic process using sunlight. Daguerre = Co-proprietor of the Diorama; adapted camera obscura and sought to chemically fix images.</p> Signup and view all the answers

Given the context of theatrical innovation and early photographic experiments, how did the Diorama's impact extend beyond mere entertainment to influence subsequent technological advancements?

<p>By establishing a framework for manipulating spectator perception, which later informed the development of virtual reality technologies and immersive simulations. (B)</p> Signup and view all the answers

Niepce's primary motivation for visiting London was strictly business related to the Diorama's expansion into the British market.

<p>False (B)</p> Signup and view all the answers

Considering the interplay of theatrical illusions and nascent photographic technologies, what was the most significant constraint hindering both Daguerre and Niepce's early attempts to capture images permanently?

<p>The limited understanding of the chemical properties of light-sensitive materials that could effectively fix images and prevent their degradation over time. (D)</p> Signup and view all the answers

Arago's suggestion of government pensions for Daguerre and Isidore Niepce, coupled with a global release of the daguerreotype process by France, most plausibly aimed to circumvent which critical impending challenge?

<p>The protracted and complex regulatory framework governing intellectual property rights at the time, rendering copyright protections for the daguerreotype process exceedingly difficult to enforce internationally. (D)</p> Signup and view all the answers

Daguerre envisioned the primary utility of the daguerreotype residing in its capacity to serve as a high-precision instrument for scientific photometry, specifically tailored for quantifying nuanced gradations in luminous intensity, as evidenced by his extensive prior research in the domain of optical physics.

<p>False (B)</p> Signup and view all the answers

Elaborate on the subtle yet significant promotional strategy employed by Daguerre concerning his process of daguerreotype in relation to Niepce's earlier contributions to photography.

<p>Daguerre subtly highlighted the daguerreotype in his promotional efforts, overshadowing and diminishing the recognition of Niepce's pivotal early work in the field.</p> Signup and view all the answers

Daguerre speculated that the daguerreotype would be embraced by the __________ __________, who would create renderings of country houses.

<p>leisured class</p> Signup and view all the answers

Match the individuals with their role in the popularization of the daguerreotype process.

<p>Daguerre = Perfected the process and promoted its accessibility to the leisured class. Niepce = Early pioneer whose contributions were subtly overshadowed. Arago = Advocated for government support and global release of the process.</p> Signup and view all the answers

In what way did Daguerre expect ladies to utilize the daguerreotype?

<p>To create personal collections of various subjects. (B)</p> Signup and view all the answers

The broadsheet advertising the daguerreotype claimed that the process required exposure times ranging from three to thirty days, depending on weather conditions and desired image resolution, thus necessitating specialized darkrooms and meticulous atmospheric control.

<p>False (B)</p> Signup and view all the answers

Explain the strategic rationale behind Daguerre underscoring the 'little work' required by the daguerreotype process, particularly in its resonance with a specific demographic of the time.

<p>By emphasizing the minimal effort involved, Daguerre aimed to appeal especially to the 'leisured class', implying ease of use and enjoyment in creating personal photographic collections.</p> Signup and view all the answers

Which of the following best characterizes the semantic shift that occurred with the term 'photographic' during the early development of the medium?

<p>A broadening from a specific experimental technique to a general descriptor of imaging processes. (B)</p> Signup and view all the answers

Charles Wheatstone's primary contribution to the development of photography was the independent invention of the first practical photographic camera.

<p>False (B)</p> Signup and view all the answers

Explain the significance of the phrase 'photographic experiments' in the context of 1839, as used by Charles Wheatstone in his correspondence with Talbot.

<p>The phrase indicates that photography at the time was still regarded as an exploratory, scientific activity, rather than a fully established art or commercial practice, and the term 'experiments' conveyed the novelty and uncertain status of the procedures involved.</p> Signup and view all the answers

The scientist and inventor, ______ , corresponded with Talbot, utilizing the term 'photographic experiments' in reference to Talbot's work.

<p>Charles Wheatstone</p> Signup and view all the answers

Match the individual with their contribution to early photography:

<p>William Henry Fox Talbot = Pioneering photographic experiments and correspondence regarding the medium's development. Charles Wheatstone = Scientist and inventor of the stereoscope, corresponded with Talbot using the term 'photographic experiments'. Herschel = Continued photographic investigations into the 1840s.</p> Signup and view all the answers

In what way did Hippolyte Bayard's 'Self-Portrait as a Drowned Man' (1840) challenge the conventional uses and perceptions of photography during its early period?

<p>By subverting the medium's perceived objectivity through staged self-representation, thereby questioning photography's inherent truthfulness. (D)</p> Signup and view all the answers

Which of the following statements best describes the reception of Hercule Florence's photographic work in Europe during the early development of photography?

<p>Florence's innovations were largely unknown in Europe, preventing his work from influencing the broader development of photographic practices on the continent. (D)</p> Signup and view all the answers

The primary reason the term 'photography' gained widespread acceptance over alternative terms was due to its explicit endorsement and promotion by national scientific academies across Europe.

<p>False (B)</p> Signup and view all the answers

Given Niepce's relative isolation from contemporary scientific advancements, which of the following counterfactual scenarios would have most significantly altered the trajectory of his photographic endeavors?

<p>If Niepce had access to and comprehension of Scheele's and Senebier's research on light-sensitive materials, his experiments could have been more directed, accelerating his progress toward image stabilization. (C)</p> Signup and view all the answers

Niepce's successful stabilization of an image through photochemical reactions directly resulted from his predecessors' accumulated body of research, which, after critical synthesis, allowed him to make the necessary adjustments.

<p>False (B)</p> Signup and view all the answers

Beyond the mere creation of images, what pivotal contribution did Herschel's discovery of hyposulphite of soda dissolving silver chloride offer to the nascent field of photography, and how did this advance address a fundamental limitation inherent in Niepce's early methods?

<p>Herschel's process halts the reaction to light, thereby stabilizing images.</p> Signup and view all the answers

The refinement of the ______ engine, spearheaded by Niepce and his brother Claude, underscores a broader pursuit of entrepreneurial endeavors that characterized the era, even if it did not translate into immediate photographic innovations.

<p>pyréolophore</p> Signup and view all the answers

Match the following scientists with their contributions which were relevant to Niepce's work, either directly or indirectly:

<p>Johann Heinrich Schulze = Observed the effects of light on silver nitrate. Carl Wilhelm Scheele = Conducted experiments with light-sensitive materials, research potentially accessible to Niepce though he remained largely isolated. Jean Senebier = Published work on light sensitivity in 1782, though Niepce seemed unaware of it. John Herschel = Discovered that hyposulphite of soda dissolves silver chloride to stop its reaction to light in 1819.</p> Signup and view all the answers

Assessing the epistemological landscape of Niepce's era, which statement most critically encapsulates the challenges he faced in accessing and integrating existing scientific knowledge into his photographic pursuits?

<p>The nascent state of scientific communication networks, coupled with potential information silos and dissemination lags, hindered Niepce's ability to leverage relevant discoveries in photochemistry. (D)</p> Signup and view all the answers

Considering the economic and technological context of early 19th-century France, which counterfactual scenario would have most likely led to a swifter and more widespread adoption of Niepce's photographic innovations?

<p>Had Niepce's pyréolophore engine achieved widespread commercial success, the resulting financial resources could have been reinvested into accelerating his photographic research, thereby expediting its development and dissemination. (A)</p> Signup and view all the answers

While Niepce’s process remained largely independent from the work of other researchers, the advice he did receive regarding photosensitive materials came from French chemist ______.

<p>Louis-Nicolas Vauquelin</p> Signup and view all the answers

Flashcards

Obscura

A process where shadow images and paintings on glass left a photographic imprint.

Lithography's Early Promise

Entrepreneurs in the early 1800s saw lithography as a superior illustration method.

Niepce's Goal

A method to prevent unshaded delineation parts from being colored by exposure to light.

Niepce's Early Material

Paper made light-sensitive using a silver chloride solution.

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Photographic Negative

An image where dark areas appear light and vice versa.

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Creating a Positive Image

The process of reversing the tones of a negative image.

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Wedgwood & Davy's Recognition

Wedgwood and Davy's experiments were known in scientific circles.

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Florence's Delayed Recognition

Florence's photographic contribution was not recognized until 1970.

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Sun Writing

Failed early attempts to capture images using light-sensitive materials.

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Joseph Nicephore Niepce

French inventor who developed "sun writing."

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French Revolution

Revolution that shifted Niepce's focus to finding a new livelihood.

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Pyreolophore

Internal combustion engine invented by Niepce and his brother.

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Herschel's discovery

Stopping the reaction of silver chloride to light, published in 1819.

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Louis-Nicolas Vauquelin

Chemist who advised Niepce on photosensitive materials.

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Lithographic Process

The process of printing from a stone or metal plate with a smooth surface.

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Johann Heinrich Schulze

The effect of light on silver nitrate.

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Lithography

A printing technique using a flat stone or metal plate where the image areas are level with the non-image areas.

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Niepce's Light-Based Engraving

Reproducing images using light, based on hardening bitumen of Judea when exposed to light.

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Light and Dark Areas in Niepce's Process

The light areas of the engraving hardened, while the dark areas remained soft during light exposure of the plate.

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Niepce's Plate Preparation

Oil-saturated engraving placed on a bitumen-coated plate, exposed to light, then rinsed to reveal an image.

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Etching with Acid

Using acid to etch the areas not hardened by light, creating a printing plate.

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Alois Senefelder

German actor and writer who perfected Lithography in 1798.

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Bitumen of Judea

A substance that hardens when exposed to light.

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Daguerre's Promotion

Daguerre subtly promoted his own photographic process over Niepce's early efforts.

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Daguerreotype Exposure Time

The daguerreotype process required only three to thirty minutes of outdoor exposure to light.

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Target Audience

Daguerre believed the daguerreotype would be popular among the 'leisured class'.

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Early Photo Collections

Daguerre envisioned the use of daguerreotypes to form collections of all kinds.

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Appealing Activity

Daguerre thought the daguerreotype process would 'greatly please ladies'.

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Process Copying Risk

Daguerre recognized that the ingredients for the daguerreotype were simple and easily available, making it easy to copy.

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Government Support

Arago suggested the French government provide Daguerre and Isidore Niepce with pensions.

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French Generosity

Arago suggested France give the new daguerreotype process to the world.

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Diorama

A type of theater presenting realistic special effects to audiences.

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Daguerre's Stage Planning

The use of a camera obscura to plan stage illusions, especially to create the impression of deeply recessed theatrical space.

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Landscape with Gothic Ruins

A drawing of mists and shadows of a ruined Gothic church; it provides a sense of dramatic style of entertainment.

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Diorama's Special Effects

Shifting lighting, transparent paintings, and sound effects to give the audience the impression of being in a ruin, on a hill, or near a waterfall.

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Heliography

An early photographic process invented by Nicéphore Niépce, from the Greek words for sun and writing.

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Daguerre's Photographic Aim

He attempted to capture chemically the images produced by the camera obscura.

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Niepce's London Trip (1827)

Visiting London, hoping to get financial backing for the combustion engine and showing examples of his heliography.

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Camera Obscura Limitations

The camera obscura he gave to Niepce was ineffective in producing clearer images.

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Charles Wheatstone

Scientist and inventor of the stereoscope, who used the term 'photographic experiments' in a letter to Talbot in 1839.

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Photography

The general term for the medium of photography, evolved quickly from 'photographic'.

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Photographic Experiments

Refers to the experiments conducted by Talbot related to capturing images.

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Herschel's photographic investigations

Herschel continued his photographic studies and research.

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Wheatstone's Term

He used 'photographic experiments'.

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Bayard's Self-Portrait

Self-Portrait as a Drowned Man, is a direct paper positive.

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Florence's 'photographie'

The term used by Florence, though its usage in Europe was not widely known.

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Herschel's Term

He used the term 'photographic'.

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Study Notes

  • Wedgwood and Davy's method of creating photographic imprints was not permanent because silver nitrate continued to react to light.
  • Davy stated that the only thing needed to make the process useful was preventing the unshaded part from being colored by exposure.
  • Wedgwood became ill and could not continue the experiments; Davy moved on to other directions.
  • James Watt corresponded with Wedgwood and possibly attempted to make photographs.
  • Publication of the Wedgwood and Davy experiments in 1802 increased their reputation.
  • Florence's contribution was not recognized until 1970.
  • Their work did not lead to subsequent attempts to stabilize images through photochemical reactions.

Joseph Nicéphore Niépce

  • Joseph Nicéphore Niépce developed "sun writing" in France.
  • He came from a family that worked for French royalty and received a fine education.
  • The French Revolution altered his prospects, and he sought ways to make a living from a country estate.
  • Niépce and his brother Claude spent years perfecting an internal combustion engine for riverboats called the pyréolophore, which received a French patent in 1807.
  • Niépce turned his attention to the potential of lithography.
  • Lithography is a technique for reproducing images or drawings on a smooth stone surface, offering advantages over engraving.
  • It could yield a large number of prints and render tones and shadows more subtly.
  • Lithography appealed to painters and entrepreneurs who saw its potential for surpassing existing illustration methods.
  • Unable to draw, Niépce experimented with using light to produce images on photosensitive materials, starting in 1816.
  • He used paper made light-sensitive with silver chloride solution.
  • Niépce experienced the same problems as Wedgwood and Davy such as indistinct images, and the light action could not be stopped.
  • Tones were reversed, creating a negative
  • He failed to use the negative to create a positive image or alter the reversed areas through chemical means.
  • Niépce was unaware of previous investigations of light-sensitive materials, including the work of Johann Heinrich Schulze, Carl Wilhelm Scheele, and Jean Senebier.
  • He was also unaware of John Herschel's discovery that hyposulphite of soda dissolves silver chloride.
  • Niépce's approach to photography was largely independent of others' research.
  • In 1822, Niépce shifted his focus to copying engravings using light.
  • He saturated an engraving with oil to make it transparent and placed it on a pewter plate coated with bitumen of Judea.
  • After light exposure, the areas beneath the dark lines remained soft, while those beneath the light parts hardened.
  • The plate was rinsed with lavender oil, washing away the soft areas, etching the blank areas with acid.
  • Niépce printed the plate, finding the procedure more encouraging than his silver chloride experiments.
  • He put a similarly prepared plate in a camera obscura and exposed it to light.
  • After eight hours, the plate was washed with a mixture of oil of lavender and petroleum oil, and rinsed to remove soluble areas.
  • The resulting plate contained a poor but visible negative of the scene, reversed laterally and was called a direct positive image.
  • The image could not be reproduced because there was no negative from which to print copies.

Heliography

  • Gras (c. 1826) is considered the world's first permanent photograph.
  • In 1827, Niépce brought examples of his process to London, seeking funding through his brother Claude.
  • He gained the attention of Francis Bauer, who prepared a short "Notice sur l'héliographie" describing the process.
  • His failure to generate interest may have been due to his cautious concealment of his exact technique.
  • Niépce left heliographs of engravings and the View from the Window at Gras with Francis Bauer.
  • While traveling through Paris, Niépce met Daguerre, a painter, stage set designer, associated with the Diorama, who used the camera obscura.
  • Daguerre and Niépce were introduced by Charles Chevalier, a Parisian maker of optical instruments.
  • Niépce sought a photochemical method to obtain permanent camera obscura images.
  • He moved from using pewter plates to polished silver plates and copper plates covered with silver.
  • Niépce decided to work with Daguerre to improve photography and in a contract signed in 1829, Daguerre promised to give Niépce an improved camera obscura.
  • Daguerre later admitted that the camera obscura he gave to Niépce was ineffective.

Daguerre

  • In 1833, Niépce died suddenly, and Daguerre continued the research.
  • Louis-Jacques-Mandé Daguerre lacked formal education but was driven to succeed.
  • Daguerre was poised to take advantage of social forces in the 1830s with the growing power of middle-class commercial and industrial development.
  • Daguerre's beginnings and rise to prominence made him something of a class hero.
  • By 1835, Daguerre's experiments with Niépce's materials led to creation of a latent image, and treatments after exposure could bring out the image.
  • Daguerre found a latent image on the exposed silver plate, which mercury fumes could develop.
  • In 1837, a solution of common table salt in hot water would stop the light-sensitive material from continuing to react.

Daguerreotype

  • Daguerre worried about others stealing it, and robbing him of his place in history.
  • A copper sheet plated with silver was given a high polish called the plate and placed over a box containing iodine.
  • The iodine fumes fused with the silver to create silver iodide, which is light sensitive.
  • The plate was fitted into a camera obscura and exposed to light for four to five minutes.
  • The plate, with its latent image, was put in a special box and exposed to mercury fumes, which blended with the silver to produce a visible image.
  • The light-reactive image was washed with a sodium chloride solution and rinsed with plain water.
  • Daguerre renegotiated the contract with Niépce's son Isidore in 1837 to allow him to call it "daguerreotype".
  • Daguerre and Isidore Niépce arranged to market the processes by subscription.

Public attempt in 1838

  • Paradixically was a failed to convince the public to buy shares in the new business
  • Daguerre reputation for creating optical illusions made the public suspicious of him
  • in Late 1838, Daguerre a broadsheet describing his research that required only three to thirth minutes to light
  • He attempted to persuade prominent scientists and artists to endorse his photographic
  • François Arago secured French government assistance for the process
  • the French academies of science
  • Arago suggested that the government provide and isidor Niépce with
  • The new process be given to the world by France

January 7, 1839

  • Arago made a statement to the French Academy of Science describing the process, emphasizing invention
  • January 6, 1839, H. Gaucheraud previewed of a journalist writing for the Gazetta defrance for suggesting
  • Fine detial the daguerrotype challenge drawining and pain
  • apprence was closer as the look of engraving and mezzoints

Responses to the announcement of the Daguerreotype

  • News of Daguerre's invention spread quickly, catching the attention of those with related exper- iments
  • 1839 paper on photography, book by Elizabeth Fulhame, View to art of Dying (Sic ) and Painting
  • photography pierre G. Harmant has revealed that in 1839, twenty four claimed to have invented photography
  • Hippolyte Bayard attempted to reduced daguerre process will release to the public

Bayard's direct positive process

  • Bayard, responded to the 1839 announcement of Daguerre's method with photographic experiments and direct positive print
  • completely darkened with light sensitive paper and exposed it to the light time solution process and a single print
  • Banyard showed his image Arago. Arago was challenge with discovery Bayard exhibted dirct positive lack of offical recognition
  • Bayard comic, in 1840 and named portrait as a Drowned Man

Herschel's Photography

  • Herschel many s became intruiged with the recent announced Daguerre Herschel early work was the light reactions of palatinum 29 notebook Daguerre Fox Talbot also got the same process with processes sucessded a fixed
  • Hereschel showed Royal society in Landon few of Hershel"Photography
  • word quickly evolved term for the medium

Herschel

  • Photographic inversions were the possibility use vegetable dyes
  • Hershel process to the type Hershel in 1819 explored the process black and white using
  • He also democratric potential with every person and publisher

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