Calculator, Marchant
- Title
- Calculator, Marchant
- Collection
- Caltech Images Collection
- Series
- Scientific Instrument Photographs
- Identifier
- ST-BE-12
- Extents
- 1 photographs (negative)
- Abstract
- Patented in 1940-1945. Used extensively in connection with infrared spectrophotometry to solve the matrix of simultaneous equations. Mfg. Marchant Calculators, Inc., Oakland, CA.