Details of exhibit
- Exhibition:
- 1887 [Thirty-second] Photographic Society of Great Britain Exhibition
- Exhibit title:
- Rectilinear and Wide Angle Lenses, with "Iris" Diaphragm
- Exhibitor:
- R. & J. Beck
- Section:
- Apparatus
- Exhibit No.:
- 685
- Exhibit type:
- Photographic equipment and supplies
- Process:
- [Not Listed] ()
- Award:
- none
