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Pocket Bimetallic Thermometer, 1850-1900
- maker:
- Johann Holtzmann

Metallic thermometer by Johann Holtzmann, Vienna, Austria, 1850-1880
Details
- Category:
- Heat
- Object Number:
- 1911-188
- Materials:
- silver plated, silver (metal), brass (copper, zinc alloy), steel (metal), iron, glass and enamel
- Measurements:
-
overall: 17 mm x 55 mm x 70 mm, , .05kg
- credit:
- Court, Thomas Henry