Hot-blast Pyrometer, Hobson's patent, 1890-1897
Hobson's patent hot-blast pyrometer with thermometer, by J. Casartelli and Son, Manchester, 1890-97.
- Measurements:
-
overall: 230 mm x 350 mm x 235 mm, , 2.2kg
- Materials:
- wood (unidentified) , brass (copper, zinc alloy) , copper (metal) , glass and mercury
- Object Number:
- 1897-134 Pt1
- type:
- pyrometer and thermometer
- Image ©
- The Board of Trustees of the Science Museum