Vertical Force Variometer by Watts, 1931
Vertical force magnetometer (variometer) and reflecting head by E.R. Watts & Son Ltd, and recording apparatus with mercury thermometer by Cambridge Scientific Instrument Co., 1931.
- Materials:
- glass , plastic (unidentified) , cork , mercury , water , rubber (unidentified) , wood (possibly) , brass (copper, zinc alloy) and aluminium alloy
- Object Number:
- 1935-540 Pt1
- type:
- magnetometer and magnetometer (vertical force)
- Image ©
- The Board of Trustees of the Science Museum