Details of exhibit
- Exhibition:
- 1889 [Thirty-fourth] Photographic Society of Great Britain Exhibition
- Exhibit title:
- Compressed Gas Regulators for Oxy-hydrogen Limelight
- Exhibitor:
- R. R. Beard
- Section:
- Apparatus
- Exhibit No.:
- 640
- Exhibit type:
- Photographic equipment and supplies
- Process:
- [Not Listed] ()
- Award:
- none
