The keepers of light : a history & working guide to early photographic processes / William Crawford.

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Bibliographic Details
Main Author:	Crawford, William, 1948-
Language:	English
Published:	Dobbs Ferry, N.Y. : Morgan & Morgan, [1979], ©1979.
Subjects:	Photography > Printing processes. Photography > Printing processes > History.
Physical Description:	318 pages, 12 unnumbered leaves of plates : illustrations (some color) ; 24 cm
Format:	Book