|
US1956887A
|
|
Photographic reproduction apparatus
|
|
US1914497A
|
|
Machine for making stereotype-matrices
|
|
DE479756C
|
|
Pneumatic light copier
|
|
GB280154A
|
|
Improvements in photo-engravers' printing frame
|
|
US1750253A
|
|
Photo-engraver's printing frame
|
|
US1761863A
|
|
Negative locating device for step and repeat printing apparatus
|
|
DE484350C
|
|
Printing frames for the production of printing plates
|
|
GB253099A
|
|
Improvements in or relating to photographic printing apparatus
|
|
US1750294A
|
|
Step and repeat printing apparatus
|
|
US1479108A
|
|
Adjusting device
|
|
US1485149A
|
|
Attachment for trimming machines
|
|
US1489044A
|
|
Photo-engraver's beveling machine
|
|
US1487773A
|
|
Routing machine
|
|
US1092264A
|
|
Stereotyping apparatus.
|
|
US1132642A
|
|
Plate-holding device.
|
|
US1208721A
|
|
Printing-plate holder and registering device.
|
|
US1074108A
|
|
Printing-plate holder and registering clamp.
|
|
US1071349A
|
|
Printing-plate holder and registering clamp.
|
|
US1076928A
|
|
Plate-holding device.
|
|
US1108646A
|
|
Plate-holding device.
|
