Patent Model - Barometer

Maker and role
Henry Clum (b.1821, d.1884), Patentee
Production date
May 29 1860
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Object detail

Wood, brass, glass
38 x 8 x 3" (96.5 x 20.3 x 7.6cm)
Clum's patent "consists in applying to the ordinary tube and cistern barometer movable metrological slides as shown at D and E whereby the "Dry," "Fair," "Change," &c., on E, and "Cold," "Change," "Snow," &c. on D, can be raised or lowered, so as to adjust the barometer to various altitudes, as the mercury in the tube rises or falls, in consequence of the barometer being taken below, or above sea level." (Patent Number 28,454)
Object number
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