C V Boys' radio-micrometer, with outer casing removed, 1907.
Boys radio-micrometer made in 1907 by, The Cambridge Scientific Instrument Co. Ltd., Cambridge, England, no.5426 (sighting tube and several nuts missing)
- Measurements:
-
overall: 310 mm x x , 290 mm, 4.6kg
- Materials:
- metal (unknown) , copper (alloy) , brass (copper, zinc alloy) , copper (metal) , steel (metal) , paint , ivory , mahogany (wood) , glass and unidentified liquid
- Object Number:
- 1985-1149 Pt1
- type:
- micrometers and radio-micrometers
- Image ©
- The Board of Trustees of the Science Museum