Snelling, Henry Hunt, 1816-1897 · [New York : W.B. Smith] · leaf 125
rator whodoes a good business, the trouble and ex-pense can be of no consideration when com-pared with the loss of plates from the abovementioned causes. Another consideration should induce itsmore general adoption. The plates arerendered more sensitive to the action oflight; the time of exposure… … It consists of a piece of platnized silver,A. on the top of which is fixed a beam ofwood, B. to prevent contact with the sil-ver. A binding screw, C, is soldered onto the silver plate to connect it with any 1851. The Photographic Art-Journal. 11 desired object, by means of the copperwire, e. A…
Photography · Art and photography
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-903-584.webp)
