~RARE METRIC VARIANT MOUNTAIN/BALLOONING BAROMETER-E.R. WATTS & SON~

~RARE METRIC VARIANT MOUNTAIN/BALLOONING BAROMETER-E.R. WATTS & SON~

$250 USD (OBO)

A rare variant of a mountaineering/ballooning aneroid pocket barometer-METRIC. Made for the European market.

Dimensions

2

Circa

1900

Country of manufacture

UK and Ireland

Categories: Barometers & Meteorology, Physics & Chemistry, Scales Weights & Measures, Engineering antiques, Tools

Description

Unusual and rare ballooning / mountaineering pocket aneroid barometer by E.R. Watts & Son c.1900.

British made, but METRIC !!! Altitude in metres (0-3000), barometric pressure in millimeters (55-79) of mercury.

Near perfect condition, both functionally and cosmetically with bright gilt brass casement. Rotating bezel, responsive needle, fine silvered dial. The only noticeable wear is on the suspension loop !! Signed and serialized (London 2911). Maroon card case is near flawless with excellent clasp and hinge.  A rare bird indeed !!!

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Dealer information

CA ScientificaOpticae

Scientifica Opticae

Mark Hacking (Scientifica Opticae Inc.) has been an avid collector/dealer for over 30 years. A former Science teacher, he has an innate love for anything natural or mechanical. Specializing in optical (microscopes, telescopes), surveying, medical, weighing and drawing instruments, he is an active participant of the Scientific Instrument Fair in London. Living in Stratford, Ontario, Canada, with his wife and two children; Mark looks forward to meeting as many fellow collectors as possible, and has a worldwide following on eBay (Sciopti).

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