The Dictionary Of Photography

A True Historic Record Of The Art & Practice Of Photography 100 Years Ago.

	Wet Collodion Process
	No. 2.
	Ferrous sulphate Cupric Glacial acetic acid Methylated spirit Distilled water
	No. 3. A. "Ferrous sulphate ............ Cupric           ... ... ......... Distilled water ............ B. Nitrate of baryta ...... ...... Glacial acetic acid ... Methylated spirit ............ Distilled water ... ...... Dissolve A and B separately, then mix and filter. No. 4. Ferrous sulphate ...... Glacial acetic acid ... ...... Formic acid (sp. gr. ro6o)... Methylated spirit ............ Distilled water ............ No. 5. Ferrous sulphate ............ Glacial acetic acid............ Lump sugar ... Methylated spirit ... ...... Distilled water No. 6. Ammonio-sulphate of iron ... Glacial acetic acid ... Methylated spirit ... ... ...... Distilled water 652
			300 grs. 200 mins. 100 .. 240 .. 10 ozs. 200 grs. 180 mins 100 grs. 240 mins. 10 ozs. 250 grs. 250 mins. 240 .. 10 ozs.