Notes on the rotary photogravure process

Uittreksel

Volume contains "8 photogravure illustrations from photographs. Description of process, listing of Autotype Photogravure Pigment Papers, plates demonstrate a variety of defects that can occur in the process; drying marks, uneven development marks, Newton's rings, light halo, screen mottle, positive mottle and sun spots, moiré pattern, small dark spots, scratch marks."--Hanson Collection catalog, p. 137.