Vacuum Gauge, Vacuum meter consisting of a round dial mounted on a tap. The dial has a hand and a scale ranging from zero to eighty. The mechanism inside consists of a flat tube that curves and curls or curls on the outside of the housing on the vacuum pressure, and a small gear that transfers the movement of the tube to the pointer., E. Bourdon (mentioned on object), Paris, c. 1860, brass (alloy), copper (metal), iron (metal), steel (alloy), wood (plant material), glass, h 4.7 cm × w 31.7 cm × d 20.5 cm
Keywords:
Vacuum Gauge, Vacuum meter consisting, round dial mounted, tap, dial, hand, scale ranging, zero, eighty, mechanism inside consists, flat tube, curves, curls, outside, housing, vacuum pressure, small gear, transfers, movement, tube, pointer, E, Bourdon, mentioned, object, Paris, c, 1860, brass, alloy, copper, metal, iron, steel, wood, plant material, glass
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