This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1844 edition. Excerpt: ... PART I. THE INFLUENCE OF THE SOLAR RAYS ON COMPOUND BODIES, WITH ESPECIAL REFERENCE TO THEIR PHOTOGRAPHIC APPLICATION. SECTION I. ON METALLIC COMPOUNDS. CHAPTER I. PREPARATIONS OF SILVER. (50.) Oxide Of Silver exposed for a few hours to good sunshine, passes into a more decided olive colour, than ...
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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1844 edition. Excerpt: ... PART I. THE INFLUENCE OF THE SOLAR RAYS ON COMPOUND BODIES, WITH ESPECIAL REFERENCE TO THEIR PHOTOGRAPHIC APPLICATION. SECTION I. ON METALLIC COMPOUNDS. CHAPTER I. PREPARATIONS OF SILVER. (50.) Oxide Of Silver exposed for a few hours to good sunshine, passes into a more decided olive colour, than characterises it when first prepared by precipitation from the nitrate of silver, and consequently the covered portions are lighter than those exposed. Prolonged exposure to the sun's rays, for a week or more, renders this olive colour very much lighter, and the covered parts are found to be many times darker, than those on which the Light has acted directly. In some instances, where the oxide of silver has been spread on paper, I have noticed a very decided whitening process in some parts, after a few days' exposure; the cause of which, although diligently sought for, has not been detected. The oxide of silver dissolved in ammonia is a valuable photographic fluid. One application of a strong solution forms an exceedingly sensitive surface. The pictures on this paper are easily fixed by salt or weak ammonia. (51.) Nitrate Of Silver. -- This salt in a state of purity, whether solid, or in solution in distilled water, does not appear to be sensibly affected by Light, but the presence of the smallest portion of organic matter renders it exceedingly liable to change under luminous influence. This property, induced Sir John Herschel, in his early photographic experiments, to combine organic matter with the solution of the nitrate of silver, previously to its being applied to paper, and afterwards to introduce into the pores of the paper organised salts of silver, but without any remarkable results. The organic combinations have, however, since that...
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Add this copy of Researches on Light an Examination of All the Phenomena to cart. $23.90, new condition, Sold by Paperbackshop rated 4.0 out of 5 stars, ships from Bensenville, IL, UNITED STATES, published 2019 by HardPress Publishing.
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Add this copy of Researches on Light: an Examination of All the to cart. $56.29, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2010 by Kessinger Publishing.
Add this copy of Researches on Light: an Examination of All the to cart. $56.29, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2009 by Kessinger Publishing.
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Add this copy of Researches on Light: an Examination of All the to cart. $500.00, fair condition, Sold by Books From California rated 4.0 out of 5 stars, ships from Simi Valley, CA, UNITED STATES, published 1844 by London: Longman, Brown, Green.
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Fair. First Edition. First edition, inscribed (but not signed) by the author on the title page: "With the Authors respects. -" Ex-library copy with usual markings. Boards are detached, missing the backstrip. Textblock is square and intact, pages with minor scattered foxing. Hand-colored folding frontispiece. Publisher catalogue at the rear. The first history of photography published. Over 500, 000 Internet Orders FIlled.
