A Swiss Goldschmid pocket barometer, signed “Th. Usteri-Reinacher, Zurich, N. 3435”

A Swiss Goldschmid pocket barometer, signed “Th. Usteri-Reinacher, Zurich, N. 3435”

€390

Country of manufacture

Switzerland

Categories: Scientific, Barometers & Meteorology

Description

A Goldschmid pocket barometer, Swiss, late 19th century, signed “Th. Usteri-Reinacher, Zurich, N. 3435”

This beautifully constructed aneroid barometer is contained in a shaped pebbled-leather covered (case not complete), and consists of a 8 cm diameter lacquered brass drum, height 7 cm.

There’s a readout magnifier, a lateral thermometer and a rotating top with a correction parameters’ table (with an humidity stain on it).

It looks complete to me but it’s not tested.

Invented by the instrument maker J. Goldschmid c. 1857, the device consists of a totally unconstrained evacuated chamber bearing only against a tension spring which extends to the readout window, with a second spring alignable by rotation of the calibrated disk above.

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IT Nautilus Antiques

Nautilus Antiques

Established in 2005 in Italy, Nautilus tries to be a modern wunderkammer, where antique science and natural history meet, inspiring wonder. I mainly love antique scientific and medical instruments, but my interest extends to unusual or rare technologies and natural history.
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