Item is an instruction manual published by Ansco, manufacturers of cameras, film and photographic papers. While ostensibly a how to guide, it is essentially a marketing and information booklet on Ansco products.

Item is an instruction manual published by Ansco, manufacturers of cameras, film and photographic papers. It is a how to guide for developing photographic prints using their CYKO brand paper.

Item is an instruction manual published by Ansco, manufacturers of cameras, film and photographic papers. It is a how to guide for developing photographic prints using their CYKO brand paper.

Item is an instruction manual published by The Rochester Optical & Camera Company in 1902, covering all aspects of photographic arts from expsoure to printing. Twenty-fourth revised edition, no author.