Details of exhibit
- Exhibition:
- 1891 [Thirty-sixth] Photographic Society of Great Britain Exhibition
- Exhibit title:
- Specimens of Thio-carbamide Reversal produced with Professor Reynold's Tetra Thio-carbamide Ammonium-bromide with Eikonogen Lithia Developer
- Exhibitor:
- Col. J. Waterhouse
- Exhibit No.:
- 689
- Exhibit type:
- Photographic equipment and supplies
- Process:
- Thio-carbamide Reversal ()
- Award:
- none