Details of exhibit
- Exhibition:
- 1880 [Twenty-fifth] Photographic Society of Great Britain Exhibition
- Exhibit title:
- Warnerke's Patent Actinometer
- Exhibitor:
- Marion & Co.
- Exhibit No.:
- 374
- Description:
- For measuring the Actinic Power of Light
- Exhibit type:
- Photographic equipment and supplies
- Process:
- [Not Listed] ()
- Award:
- none