Diffraction grating, photo negative of
1873 April
- Title
- Diffraction grating, photo negative of
- Collection
- Caltech Images Collection
- Series
- Scientific Instrument Photographs
- Identifier
- ST-AS-04
- Dates
- 1873 April
- Extents
- 1 photographs (negative)
- Abstract
- Photo negative of a diffraction grating. Ruled by Lewis Rutherford in April 1873. Glass plate measures approx. 2″x2.5-inch.