Details of exhibit
- Exhibition:
- 1885 [Thirtieth] Photographic Society of Great Britain Exhibition
- Exhibit title:
- Marion's Compressed Pyrogallic Acid Cakes of 100 grains, ...
- Exhibitor:
- Marion & Co.
- Exhibit No.:
- 725
- Description:
- scored in squares of 4 grains each
- Exhibit type:
- Photographic equipment and supplies
- Process:
- [Not Listed] ()
- Award:
- none
