Thermometer
- Object Name:
- Thermometer
- Object ID:
- 1956.005 d
- Creator:
- Roach, John
Instrument Make - Place of Origin:
- New York, NY
- Date:
- 1833-1837
- Description:
- Thermometer. Brass. Fitted into wooden case. Brass-backed thermometer registering -60 degrees to +160 degrees, does not specify which temperature scale. "J. Roach / New York," engraved at top. Additional markings along right side of tube. Bulb at bottom is missing. Mounted on wood (mahogany), which forms slide cover of case secured by delicate brass hook below small ivory inset. Top of case has metal eye and suspension ring.
- Material:
- Metal
Wood
Glass
Brass - Dimensions:
- W-1.4 L-12.2 D-0.9 inches
- Provenance:
- John Roasch made this thermometer. It may have been used to figure the expansion and contraction of metal measuring tape.
- Credit Line:
- New Hampshire Historical Society Purchase
- People:
- Roach, John
- Subjects:
- Thermometers
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