Details of exhibit
- Exhibition:
- 1911 Fifty-sixth Annual Exhibition of the Royal Photographic Society of Great Britain
- Exhibit title:
- Surface of value of Pleurosigma angulatum, x 4,000
- Exhibitor:
- Duncan J. Reid
- Section:
- V. Scientific Photography and Processes of Reproduction
- Group Title:
- The photographs in this frame, with the exception, possibly, of No. 4 (Podra scale) are of no special scientific interest, but
- Exhibit No.:
- 633
- Exhibit No. 2:
- 5
- Description:
- Zeiss 3 mm. apochromat. Dry cond., ap. 0'26 B. Screen. Exposure 20 minutes.
- Exhibit type:
- Photograph
- Process:
- [Not Listed] ()
- Award:
- none
