Cantor lectures on recent advances in photography (1882)
Abney, William de Wiveleslie, Sir, 1843-1920, author, Society for the Encouragement of Arts, Manufactures, and Commerce (Great Britain) · London : Printed by William Trounce · leaf 14
(III.) in which you see some parts of the chemical work, and it is only those regions spectrum are cut off which before were visible. of the spectrum which are absorbed which are Next, I take iodide (IV.) where you see the capable of doing chemical work. I cannot violet is cut off entirely, leaving… … silver, the second with bromide of silver, the | the screen. The second part of the slide third with iodide of silver, and the fourth with j shows the whole spectrum, taken with a sub¬ bromo-iodide of silver. I will expose each olj them for twenty seconds, to the spectrum, and j stance which I…
Photography
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