Thacher’s calculating instrument (2 views)
- Title
- Thacher’s calculating instrument (2 views)
- Collection
- Caltech Images Collection
- Series
- Scientific Instrument Photographs
- Identifier
- ST-MU-07
- Extents
- 1 photographs (negative)
- Abstract
- No. 4012, serial no. 2585. In wood case. Mfg: Keuffel & Esser Co., NY.