The silver sunbeam : a practical and theoretical text-book on sun drawing and photographic printing (1864)
Towler, John, 1811-1889 · New York : J.H. Ladd · leaf 366
PAT E N T PHOTOGRAPHIC WARE BATHS … They can be had with or without the overflow, as maybe preferred. They are also made to be used as field-baths, for out-door practice, and can be fitted with a cover, so as to be perfectly air-tight. They are found to possess every qualification that can be called for, besides innumerable…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.