Galvanometer, universal tangent
1900
- Title
- Galvanometer, universal tangent
- Collection
- Caltech Images Collection
- Series
- Scientific Instrument Photographs
- Identifier
- ST-PH-38
- Dates
- 1900
- Extents
- 1 photographs (negative)
- Abstract
- Used at CIT in the freshman physics lab. to demonstrate the presence of electromagnetic fields. The instrument was invented in the 1830s. From Bridge Lab. of Physics. Mfg: Queen and Co., Philadelphia, PA.