Early Platinum Electrical Resistance Thermometer, 1871-1890
- Made:
- 1871-1890
Early form of platinum thermometer, one of nine, in porcelain with boxwood handle, four terminals, unsigned, 1871-1890.
Details
- Category:
- Heat
- Object Number:
- 1930-363 Pt7
- Materials:
- platinum (metal), porcelain, fire clay, copper (metal), brass (copper, zinc alloy), box (wood) and bitumen
- Measurements:
-
overall: 65 mm x 440 mm x 65 mm, , .19kg