Anthony's photographic bulletin for .. . , and whenthey seemed to be etched far enough, the iron was absorbed from theplate with a piece of blotting paper. Then the plate was washed withalcohol, using a soft cloth. The tlat proof now taken was as No. 2 appears. If it had beenfound that further etching was necessary, it could have been readilydone; whereas if it had been an old albumen print on zinc, you couldnot keep re-etching and getting proofs if the first one was not satisfac-1 mm- eing underneal h. If this is not the 1 ase, I he hing< ?in the 1 rame itll. 3i9. Fig. i.

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Keywords: ., bookcentury1800, bookdecade1870, booksubjectphotogr, bookyear1870