Details of exhibit
- Exhibition:
- 1906 Fifty-first Annual Exhibition of the Royal Photographic Society of Great Britain
- Exhibit title:
- Pure astigmatism. Details of pencil and foci. Hypothetical Model.
- Exhibitor:
- C. Welborne Piper
- Section:
- Scientific and Technical Photography and its Application to Processes of Reproduction
- Group Title:
- Models of Light Pencils, showing various effects of Aberration
- Exhibit No.:
- 280
- Exhibit No. 2:
- [6]
- Exhibit type:
- Photograph
- Process:
- [Not Listed] ()
- Award:
- medal
