The practical printer : a complete manual of photographic printing (1874)
Hearn, Charles W · Philadelphia : Benerman & Wilson · leaf 52
44 THE PRACTICAL PRINTER. You ask, Why not make all of the boards deep, as they will be much more handy ? Because the depth of the boards will cast a Fie. 15. shadow over the impressions on the negatives if the rays of the sun strike them obliquely, and thus ruin the prints ; but this may be… … In speaking of deep (raised) printing-boards, I refer more to small ones, as 5x8, 6J x8J, &c. (Figs. 15 and 16), rather than to the largest sizes, viz., 11x14, 14x18, &c., for in the case of the common card and the so-called cabinet, we can obtain by far better vignettes by printing them by means…
Photography -- Printing processes · Photographs on porcelain
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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