Details of exhibit
- Exhibition:
- 1906 Fifty-first Annual Exhibition of the Royal Photographic Society of Great Britain
- Exhibit title:
- Two spectra crossing each other at right angles, and showing dark lines on back, traversing the image obliquely
- Exhibitor:
- Edgar Senior
- Section:
- Scientific and Technical Photography and its Application to Processes of Reproduction. By Invitation from the Council
- Exhibit No.:
- 497
- Exhibit No. 2:
- 5
- Exhibit type:
- Photograph
- Process:
- [Not Listed] ()
- Award:
- none
