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 73
SILVER PRINTING 49 sides of each print. To secure this the prints must by some means or another, be kept moving in frequently changed water, or the water in changing must be caused to move between all the prints. One or other of these two objects is attained in most of the machines manu- factured… … currents between the prints which do not move. I here illustrate two washing machines. The old-fashioned method of leaving the whole of a batch of prints in a tub or other large vessel, whilst water flowed constantly in from a tap and out over the edge, is probably about the least efficient of any,…
