Snelling, Henry Hunt, 1816-1897 · [New York : W.B. Smith] · leaf 349
heshave been attributed by Sir John Herscheland Mr. Talbot to u the assumption of de-.finite and different chemical states of thesilver within and without their area. Afew experiments will prove this to be thecase. Prepare a piece of the less sensitivepaper, with only one wash of silver, andwhilst… … pale blue, and the shadedportions a deep brown. Inpursuing our inquiry intothe cause of this singulari-ty, it will be found thatover the light parts a purechloride of silver, or achloride with a slight ex-cess of the muriate of soda,iBilfillittHMlllis diffused; but over the6 dark parts the chloride…
Photography · Art and photography
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Logbook of the Saratoga (Ship) of New Bedford, Mass.; mastered by Frederick Slocum, kept by Washington Fosdick, on voyage from 3 Nov. 1856-1 June 1860] (1857)](https://img.insideoutlibrary.com/img/200/ia-logbookofsaratog00sara-120-373.webp)
