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Mercurial barometer
mercurial barometer
INSTRUMENTS - BAROMETERS0 x 0 x 0
Mercurial barometer, stick type; nickel? scale and vernier; main scale graduated in inches and divided to 0.05 (scale 24.4" to 32.8"); vernier divided to 0.002" (scale -0.002" to +0.5"); vernier adjusting knob does not move vernier; attached mercury thermometer graduated -24 F to +140 F; ex-collection , Harris D. Rush (b. 1879), and Harris C. Rush (b. ca. 1850). LOA top of suspension ring to cistern knob 41".
1988.75.1