4 transparencies illustrating the Duplex process of colour photography
4 transparencies illustrating the Duplex process of colour photography:- (1) Viewing screen. (2) Taking screen. (3) Photomicrograph in colours of screen. (4) Finished transparency.
Details
- Category:
- Photographs
- Object Number:
- 1928-1048
- type:
- photographs
- credit:
- Finlay Photographic Processes Ltd.