Hunt, Robert, 1807-1887, author, Contained in (work): Hunt, Robert, 1807-1887. Manual of photography · London ; Glasgow : Richard Griffin and Company · leaf 21
APPARATUS NECESSARY FOR PHOTOGRAPHY ON PAPER. 7 other the back, with its board, and its brass bar, which, when pressed into angular apertures in the sides of the frame, gives the required pressure to the paper. Between the board and the glass there must be a cushion of some yielding substance such… … in any required position by bind- Fig. 18. ing screws. In arranging botanical specimens, the under surface of the leaves should be next the glass, their upper and smooth sur- face in contact with the paper. Although very beautiful copies may be taken of dried specimens, they bear no comparison with…
Photography
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