Drawing for line engraving; retouching for halftones; drawing for color reproduction
Wedi'i Gadw mewn:
| OCLC: | 8499380 |
|---|---|
| Awdur Corfforaethol: | |
| Iaith: | English |
| Cyhoeddwyd: |
Scranton,
International textbook co.,
c1915-16.
|
| Cyfres: | International library of technology.
v. 149. |
| Pynciau: | |
| Fformat: | Monograph Note that CRL will digitize material from the collection when copyright allows. |