| |||
| halftone process; autotype process; half tone; half-tone engraving | |||
| autotypy | |||
| half-tone print | |||
| |||
| half-tone printing; halftone printing | |||
|
Autotypie : 2 phrases in 2 subjects |
| Communications | 1 |
| Polygraphy | 1 |
| |||
| halftone process; autotype process; half tone; half-tone engraving | |||
| autotypy | |||
| half-tone print | |||
| |||
| half-tone printing; halftone printing | |||
|
Autotypie : 2 phrases in 2 subjects |
| Communications | 1 |
| Polygraphy | 1 |