Painted In Sepia: Tried hyposulphite of soda to arrest action of light by washing away all the chloride of silver or other silvering salt. Succeeds perfectly. Papers Vi acted on Vi guarded from light by covering with pasteboard, were when withdrawn from sunshine, sponged over with hyposulphite soda, then well washed in pure water-dried, and again exposed. The darkened half remained dark, the white half white, after any exposure, as if they had been painted in sepia.... Thus Daguerre's problem is so far solved."
This chemical is known today as sodium thiosulfate, but photographers still persist in calling it "hypo.
22. A. Rouille Ladeveze, Sepia-photo et Sanguine-photo (Paris: Gauthier Villars et Fils, 1894).
23. Robert Demachy in The Practical Photographer (Library Series), no. 18 (1905), pp. 11-13.
24. Photography, vol. 15 (1903), p. 438.
These pale birch units are simple and modern, with neat rounded handles that look stylish but unobtrusive. They've been painted to update their look and give them a dash more style, and can be painted over at any time to change the feel of the room.
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