Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
G03D3/08—Liquid processing apparatus involving immersion; Washing apparatus involving immersion having progressive mechanical movement of exposed material
G03D3/10—Liquid processing apparatus involving immersion; Washing apparatus involving immersion having progressive mechanical movement of exposed material for plates, films, or prints held individually
Technical drawing: by Frederick E. Giesecke, Alva Mitchell and Henry Cecil Spencer. 687 pages, illustrations, plates, 16× 24 cms. New York, The Macmillan Company, 1940. Price $3.00