Details of exhibit
- Exhibition:
- 1915 Sixtieth Annual Exhibition of the Royal Photographic Society of Great Britain
- Exhibit title:
- THE N.S. PATENT "ACCURATE" SHUTTER
- Exhibitor:
- James A. Sinclair & Co., Ltd.
- Section:
- Professional and Trade
- Exhibit No.:
- [598]
- Description:
- A diaphragm shutter giving a range of exact speeds 1/2 to 1/100th of a second and having very high efficiency, the time of opening and closing being reduced to a minimum. Two sizes are ready, for lenses the iris apertures of which are 7/8 inch and 1 inch respectively. Each shutter is supplied with a N.P. Laboratory Certificate.
- Exhibit type:
- Photographic equipment and supplies
- Process:
- [Not Listed] ()
- Award:
- none
