Details of exhibit
- Exhibition:
- 1886 [Thirty-first] Photographic Society of Great Britain Exhibition
- Exhibit title:
- Patent Automatic Developing Rocker
- Exhibitor:
- S. D. McKellen
- Exhibit No.:
- 737
- Exhibit type:
- Photographic equipment and supplies
- Process:
- [Not Listed] ()
- Award:
- none
