Details of exhibit
- Exhibition:
- 1889 [Thirty-fourth] Photographic Society of Great Britain Exhibition
- Exhibit title:
- Gas Connector, for two different size necks of cylinders
- Exhibitor:
- R. R. Beard
- Section:
- Apparatus
- Exhibit No.:
- 641
- Exhibit type:
- Photographic equipment and supplies
- Process:
- [Not Listed] ()
- Award:
- none
