FORMULARY/CAW POP TONER Gelatine chloride printing-out papers (POP) customarily used a thiocyanate and gold toning formula, rather than the above gold-borax formula. This kit contains requisite chemicals to compound the toning formula recommended by the Chicago Albumen Works for their gelatine chloride P. O. P. The two stock solutions will keep indefinitely.
Enough for about 50 8x10 prints.
Gelatine chloride printing-out-paper (P. O. P.) is available from the Chicago Albumen Works, P. O. Box 805, Front Street, Housatonic, MA 01236. Phone number: (413) 274-6901.