Details of exhibit
- Exhibition:
- 1892 [Thirty-seventh] Photographic Society of Great Britain Exhibition
- Exhibit title:
- Improved Adjustable Vignetting Attachment for Printing Frames
- Exhibitor:
- J. H. Smith
- Exhibit No.:
- 664
- Exhibit type:
- Photographic equipment and supplies
- Process:
- [Not Listed] ()
- Award:
- none
