Practical guide to photographic & photo-mechanical printing (1887)
Burton, W. K. (William Kinnimond) · London, Marion and co. · leaf 464
88 A dvertisements SELF-ACTING SYPHON TANK & DRAINER, FOR WASHING NEGATIVES (Registered). … The advantage offered by this Tank is a continuous change of water without personal supervision. When the water arrives near the top, the Syphon commences to operate and swiftly empties the tank. The water from the tap, running in all the time, soon begins to refill it, and thus the operation goes…
Photography · Photomechanical processes
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-165-60.webp)