A complete treatise on the art of retouching photographic negatives and clear directions how to finish & colour photographs (1901)
Johnson, Robert · London, Marion · leaf 168
fur- nished with a syphon. The outlet will act either as an overflow or as a syphon, in the latter case the little tap at the top must be turned off. By closing the outlet with the finger before turning the tap, the syphon will start even with a ver}^ small flow of water. The smaller sizes will be… … MARION & CO., LTD., 22 and 23, Soho Square, London. W
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
