Rage comic dating
The giant spaces they discovered demanded giant cameras.
The camera that documented the famous meeting at Promontory Point, Utah of the tracks of the Central Pacific and Union Pacific railroads on was built to accommodate glass plates 10" x 13".
The stamps date these photographs to the period of the Wartime Retail Tax Act, 1 Sept. They were popularized under the trade name Gem and the Gem Galleries offered the tiny likeness at what proved to be the lowest prices in studio history.
Gem Galleries flourished until about 1890, at which time the invention of roll film and family cameras made possible larger images at modest cost.
The larger size created new problems of photographic quality.I found this article on the Internet and thought that some of you who appreciate (and maybe even have a few) old photographs laying around in cardboard boxes or in desk drawers might like to read some tips on ways to try to put a date on when they might have been brass decorative frame.This sealed packet was then force fit into a special wood case and was often padded with velvet or silk. The first step was to make a negative image on a light sensitive paper.Until about 1873 the smaller sizes were sold at twenty five cents per card and the larger "artistic" size for fifty cents.Within a decade sets of twenty or more were made on printing presses, not by a hand photo-plate negative, look for an uneven coating were the syrupy colloidal base of the glass plate did not flow to the very edges of the glass.
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It was no longer necessary to visit a studio that specialized in the tiny likeness.