Materia photographica : a treatise on the manufacture, properties, and uses of the substances employed in photography (1891)
Leaper, Clement J · London : Iliffe · leaf 69
elling albuminised paper made from blood albumen. Chlorine.— Cl. C. — Prepared by acting upon manganese peroxide with hydro- chloric acid Mn02 + 4HCl = 2H20-4-Cl2 + MnCl2, or by acting upon a mixture of manganese peroxide and common salt with sulphuric acid 2NaCl + Mn02 + 2H2S04 = Na2S04-f MnSCh-j-… … with a thistle funnel and exit tube and connected with a small bottle, half-filled with water and furnished with glass tubes as. shown, and connected to another bottle half-full of water. The flask being in position on the ring of the retort stand pour in through the thistle funnel a cold mixture…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
