Hot water 700 cc.
Sodium sulphite 150 g
Powdered selenium 6 g
Boil until dissolved. Cool to 65 deg F and add while stirring
Ammonium chloride 190 g
Add water to make 1000 cc.
And speaking of finds, in the 1907 Indicateus de la Photographie I
mentioned the other day, there are several articles on electric photography;
FAX, and it has printed photos to show the results. Pity I do not read
French. Any francophone wants it :-)
Francisco Garcia Maceda
garciamaceda@iserve.net.mx
carrillo@buzon.main.conacyt.mx