Details of exhibit
- Exhibition:
- 1915 Sixtieth Annual Exhibition of the Royal Photographic Society of Great Britain
- Exhibit title:
- Discovery of variable stars by bright hydrogen lines in their spectra.
- Exhibitor:
- Ernest C. Pickering
- Section:
- III. Scientific and Technical Photographs, &c.
- Group Title:
- 189 to 194 Photographs illustrating methods of finding Variable Stars employed at the Harvard College Observatory, which have r
- Exhibit No.:
- 3
- Exhibit type:
- Photographic equipment and supplies
- Process:
- [Not Listed] ()
- Award:
- none
