Original Callendar electrical temperature recorder (including integrator) in wooden case, 1897.
Details
- Category:
- Heat
- Object Number:
- 1930-361
- Materials:
- wood (unidentified), mahogany (wood), steel (metal), iron, brass (copper, zinc alloy), copper (metal), paper (fibre product), textile and glass
- Measurements:
-
overall (case): 845 mm x 415 mm x 225 mm, , 12.5kg
- credit:
- Callendar, Mrs.
