Observation table regulator
Observation table regulator, signed Grimalde and Johnson.
- Measurements:
-
overall: 270 mm x 245 mm x 145 mm,
- Materials:
- wood (unidentified) , paint , metal (unknown) , glass and brass (copper, zinc alloy)
- Object Number:
- 1975-342/1
- type:
- regulator
- Image ©
- The Board of Trustees of the Science Museum