k leather, photographs are readily made instantaneously with having the rear end closed with a sliding box (see Pig. the box of sensitive material is slid home into the rear far less trouble than was required in the days of the 2) holding the sensitive paper on a spool, from which. daguerreotype or… … completely unwound. The shutter, as will be seen, is hundred pictures about 2^ inches in diameter, yet so very compact, and yet so complete that it cannot get compact that it measures but 6J^ inches long, 3J^ in unwinding, it passes over an index roll, having an out of order. indicator mark in the…
Patented · Apparatus · Patents · Hemlock · Scientific American · Sleeper · Floor plans · Express money · Electric light · Sewing machine · San Diego · Main tube · Weighted lever · Low pressure · Cast steel
Internet Archive · Public domain (published before 1931). Free to use for anything.