Category: Engineering & Technology
During the past few years, the introduction of a dry-plate photographic process of such a nature that it can be practised successfully by amateurs of both sexes has aroused an amount of interest in the camera and its capabilities, such as few scientific instruments can command...
During the past few years, the introduction of a dry-plate photographic process of such a nature that it can be practised successfully by amateurs of both sexes has aroused an a...
2. Part 2So far, we have considered the production of a brilliantly illuminated picture with a single lantern. For many years after the lime-light came into use, this was all that was re...
3. Part 3Some persons prefer a sheet stretched on a frame, and such a frame of a very portable character can be easily devised. The frame itself is best made of lengths of pine, about th...
4. Part 4The first instrument which was constructed to accomplish this end is known as Chadburn’s lantern; and, as will be seen from the annexed diagram, it differs very much from the or...