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1619772160Code 646 Antique barometer646 Torricellian mercury barometer signed Joseph Solcha Hull Warranted, active between 1851 and 1855, made of mahogany wood, with cedar wood thread on the outer edge. Silver-plated brass dial engraved with weather indications. The barometer reading is indicated by a double pointer, the first one directly connected to the barometric tube indicates the atmospheric pressure trend, the second one, operated by a marine ivory knob placed under the dial, acts as a reading vernier for checking the variation of atmospheric pressure over time. Alcohol thermometer with silver-plated brass temperature scale calibrated from 0 ° to 100 ° Fahrenheit. Hygrometer positioned in the upper part, spirit level recessed at the base of the barometer for the correct positioning of the instrument on the wall, with the name of the manufacturer. In the center is the convex "butler's mirror" set within a black painted mahogany frame. The mechanism has been expertly cleaned and overhauled. Height 98 cm - 38.58 inches, width 25 cm - 9.84 inches, depth / thickness 5.5 cm - 2.16 inches. Excellent condition, fully functional.
When it was discovered, that changes of atmospheric pressure are connected to changes of weather, barometers became very popular.
Evangelista Torricelli (1608-1647), mathematician and physicist, Galileo’s disciple, was the fist one in 1643 to make an instrument for measure changes of air pressure.
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Antique barometers
Code 646 Antique barometer
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