Practical guide to photographic & photo-mechanical printing (1892)
Burton, W. K. (William Kinnimond), author · London W. : Marion and Co., 22 and 23, Soho Square · leaf 342
PHOTO-MECHANICAL PRINTING PROCESSES 318 levelled, so that plates when placed on these will assume a horizontal position, or, much better, with bar or angle- irons having levelling screws through them. The box is heated by a boiler E kept at the temperature necessary to heat the interior of the box… … inside the box the index is outside, and can at any rate be read from the outside. Where work is done on a large scale the length of the oven, at right angles to the plane of the paper as shown in the sketch, may be made as great as need be to dry all the plates that it may be wished to dry at one…
