Copper Mercury Stick Barometer, Precision Thermometer & Instrument Company, Philadelphia, Pennsylvania, slender copper tube with dual silvered scales on either side of the mercury tube, knurled vernier adjustment knob below, thermometer in waist, hanging from a bleached mahogany board with plaque reading as above, instrument lg. 40 1/2 in. Note: Barometers containing mercury cannot be shipped and must be picked up at the gallery.
Copper Mercury Stick Barometer, Precision Thermometer & Instrument Company, Philadelphia, Pennsylvania, slender copper tube with dual silvered scales on either side of the mercury tube, knurled vernier adjustment knob below, thermometer in waist, hanging from a bleached mahogany board with plaque reading as above, instrument lg. 40 1/2 in. Note: Barometers containing mercury cannot be shipped and must be picked up at the gallery.
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.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
