1900 Print Antique Map Norway Forestry Natural History Cartography XGD1 XDC8 in Morocco
Yard notes & kiln story
Description
1900 Print Antique Map Norway Forestry Natural History Cartography XGD1 XDC8 in Morocco in Morocco This unique tonal range comes from photogravure's variable depth of etch the shadows are etched many times deeper than the highlights unlike the halftone processes that merely vary dot size