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 220
he edge of it over a portion of the sky. The cut will explain the arrangement. A is the sheet of glass with the print under it ; B is the book, or similar object ; and C is the piece of cardboard. Of course print- ing must be done in diffused light. Care must be taken to allow C to project so far… … A directly on the sheet of glass ; but the writer prefers the arrangement just described, as it gives greater latitude of result. With a sky that prints a uniform tint, clouds may be put in by hand on the back of the negative, if the operator have skill enough. He may do this either by colouring
