Voltmeter
- Title
- Voltmeter
- Collection
- Caltech Images Collection
- Series
- Scientific Instrument Photographs
- Identifier
- ST-PH-02
- Extents
- 1 photographs (negative)
- Abstract
- According to Bridge Lab. inventory, manufactured by Cambridge and Paul, although no maker’s mark is attached. Written on the scale: “Ayrton Mather E.S.V. No. L2864.” With wooden stand, possibly shop-made. Mfg: Cambridge & Paul Instrument Co.