Details of exhibit
- Exhibition:
- 1882 [Twenty-seventh] Photographic Society of Great Britain Exhibition
- Exhibit title:
- Langton's Electric Alarm Dry-plate Box
- Exhibitor:
- J. A. Langton
- Exhibit No.:
- 500
- Exhibit type:
- Photographic equipment and supplies
- Process:
- [Not Listed] ()
- Award:
- none
