| Call Number | Subject |
|---|---|
| TR 915-923 | Direct reproductions on same scale |
| - TR 920-923 | - Processes for reproducing working drawings, plans, etc. |
| Call Number | Subject |
|---|---|
| TR 925 | General works |
| TR 927 | Special applications. Book illustration, etc. |
| TR 940-950 | Photolithography |
| TR 977 | Color processes See also TR510+ Color photography |
| TR 980 | Photogravure. Heliogravure. Intaglio process |
| TR 1010 | Phototypesetting See Z253.2 |
| TR 1035-1050 | Electrophotography |
| - TR 1035 | - General works |
| - TR 1042-1045 | - Electrostatic printing |