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compounds, the latter being most sensibly affected by the invisible rays beyond the violet. It may also be observed, that the rays effective in destroying a given tint, are in a great many cases, those whose union produces a color complementary to the tint destroyed, or, at least, one belonging to
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Photogenic manipulation. containing the theory and plain instructions in the art of photography, or the production of pictures through the agency of light : including calotype, fluorotype, ferrotype, chromotype, chrysotype, cyanotype, catalissisotype and
134:. Herschel referenced an experiment on October 11, 1839 in a paper published in 1840 at the Philosophical Transactions of the Royal Society of London. Herschel gave the anthotype process a proper introduction in his 1842 paper to the same institution.
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that class of colors to which such complementary tint may be preferred. For instance, yellows tending towards orange are destroyed with more energy by the blue rays; blues by the red, orange and yellow rays; purples and pinks by yellow and green rays.
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Some leaves, a transparent photo positive or other material is placed on the paper; and then it is exposed to direct full sunlight until the image part not covered by the material is bleached out by the sun rays.
406:"VIII. On the action of the rays of the spectrum on vegetable juices. Extract of a letter from MRS. M. Somerville to Sir J. F. W. Herschel, Bart., dated Rome, September 20, 1845. Communicated by Sir J. Herschel"
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Herschel's research into making photographic images from flowers was limited and was ultimately abandoned since no commercial application was feasible from a process which takes days to produce an image.
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Over time the process earned a reputation for being too impractical. Image permanence have been brought into question, but this problem seems to be mostly related to choice of flower or plant matter.
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turned white behind blue glass in a few days, while it remained unchanged behind red glass after about the same time. Cotton and paper colored with these tinctures exhibited the same differences.
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From an examination of the researches of Sir John
Herschel on the coloring matter of plants, it will be seen that the action of the sun's rays is to destroy the color, effecting a sort of
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built on
Herschel's research and documented it in a letter to him dated 1845. Sir John Herschel presented her findings to the Royal Society, giving her full credit in his 1845 paper.
329:"I. On the chemical action of the rays of the solar spectrum on preparations of silver and other substances, both metallic and non-metallic, and on some photographic processes"
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The photo-sensitive properties of plants and vegetables have been known to scholars for centuries. Among many early observations the experiments of
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The color of anthocyanidins, anthocyans, carotinoids, and other light sensitive plant material may depend on PH of the water and of the paper.
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The original color remains in the shadowed parts depending on the exposure. The paper remains sensitive against such rays. It cannot be fixed.
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Yenidze, Dresden, transparent photo placed at the paper with turmeric, 4h exposure, anthotype with alcoholic solution of turmericin isopropanol
161:, in which two distinct elements of color are separated, by destroying the one and leaving the other. The action is confined within the
231:|Malin Fabbri, Anthotypes – Explore the darkroom in your garden and make photographs using plants, January 1, 2021 by Malin Fabbri
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Yenidze, Dresden, the same anthotype with alcoholic solution of turmeric in isopropanol and later development with baking soda
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267:"Anthocyanidins and anthocyanins: colored pigments as food, pharmaceutical ingredients, and the potential health benefits"
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368:"On the Action of the Rays of the Solar Spectrum on Vegetable Colours, and on Some New Photographic Processes"
189:--or sweet scented violet, yields to alcohol a rich blue color, which it imparts in high perfection to paper.
165:, and thus a broad distinction is exhibited between the action of the sun's rays on vegetable juices and on
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The process continued to be listed in photographic literature of the time but was likely little used.
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Khoo, Hock Eng; Azlan, Azrina; Tang, Sou Teng; Lim, See Meng (13 August 2017).
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upon exposure to sunlight, it is in about half an hour rendered quite white
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255:, Anthotype Emulsions, Volume 2, September 27, 2023, by Malin Fabbri
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A sheet of paper is covered with the emulsion, and then it is dried.
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are of particular interest. In 1816 he discovered that an alcoholic
315:"Did Sir John Herschel or MRS Mary Somerville discover anthotypes?"
243:, Anthotype Emulsions, Volume 1, October 29, 2022, by Malin Fabbri
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204:, recommends Corchorus japonicus flower (japanese Jute) for a "
444:"History and Practice of the Art of Photography - Chapter III"
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https://www.alternativephotography.com/anthotype-emulsions-2/
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https://www.alternativephotography.com/anthotype-emulsions-1/
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under the influence of light (e.g. UV light, rays of sun).
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The anthotype process described at alternative photography
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Image created using photosensitive material from plants
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Photographic processes dating from the 19th century
508:The History and Practice of the Art of Photography
486:The History and Practice of the Art of Photography
229:https://www.alternativephotography.com/anthotypes/
185:Henry H. Snelling writes based on his research: "
130:The anthotype process was discovered in 1839 by
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35:, 2 h exposure time at high noon in summer time
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197:, yields a beautiful color to paper."
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31:Maple leaf, anthotype with sour
446:. G. P. Putnam, New York. 1849
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366:Herschel, John F. W. (1842).
283:10.1080/16546628.2017.1361779
271:Food & Nutrition Research
464:Bingham, Robert J. (1847).
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493:The History of Photography
181:Other flower suggestions
481:Heritage-Tilley, Clive.
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510:. New York, 1849. on
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495:. Dover Press, 1978
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532:Artistic techniques
506:Snelling, Henry H.
484:Snelling, Henry H.
384:1842RSPT..132..181H
317:. 10 December 2023.
206:fine yellow colour
159:chromatic analysis
105:Henri August Vogel
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488:. New York, 1849.
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202:Sir John Herschel
191:Senecio Splendens
175:Henry H. Snelling
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378:: 181–214.
526:Categories
450:2020-09-09
216:References
125:corn poppy
117:carnations
512:Gutenberg
468:anthotype
430:109196456
195:groundsel
167:argentine
58:anthotype
353:98119765
301:28970777
208:" that "
173:—
113:tincture
77:emulsion
380:Bibcode
292:5613902
121:violets
99:History
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392:108152
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70:plants
426:S2CID
388:JSTOR
349:S2CID
109:Paris
93:Note:
62:image
297:PMID
418:doi
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