Catalogue of printed matter and photographic materials : June, 1887 (1887)
Percy Lund & Co · Bradford : The Country Press · leaf 37
vision is empty. The tray then drops back to the level ready for a fresh start, the action continuing so long as the water is supplied. Each time the tray rocks, the water in the larger division is agitated, and the prints are well separated. Note. — In the wood cut the leg of the syphon is shown… … > No. 2. No. 1. The “ Godstone ” Carrier Lock is a very ingenious arrangement for preventing a second exposure of a plate in the dark slide, either through accident or forgetfulness. It is fixed to the frame of the slide, as shown in the above figures. When the exposure is made — by drawing out the…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
