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Aneroid barometer
Aneroid barometer
Brass circular case 4.3" (11.0 cm) dia., containing aneroid barometer. A retractable suspension lug is attached to back of case for securing instrument to a wall or bulkhead. Front of case has a glazed aperture exposing scale from 28" to 31". Fitted with a brass cover which when rotated covers the exposed part of the scale.
Scale: Silvered pressure scale graduated in inches from 28 to 31 by 20ths.
Pointers:
1. Black pointer with centre axis to indicate barometric pressure.
2. Brass check pointer operated by a plate at centre of cover plate.
An adjusting screw is provided at back of case for setting the instrument.
Brass circular case 4.3" (11.0 cm) dia., containing aneroid barometer. A retractable suspension lug is attached to back of case for securing instrument to a wall or bulkhead. Front of case has a glazed aperture exposing scale from 28" to 31". Fitted with a brass cover which when rotated covers the exposed part of the scale.
Scale: Silvered pressure scale graduated in inches from 28 to 31 by 20ths.
Pointers:
1. Black pointer with centre axis to indicate barometric pressure.
2. Brass check pointer operated by a plate at centre of cover plate.
An adjusting screw is provided at back of case for setting the instrument.
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Object Details
| ID: | NAV0767 |
|---|---|
| Type: | Aneroid barometer |
| Display location: | Not on display |
| Creator: | Elliott Bros |
| Date made: | circa 1880 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 51 mm; Diameter: 109 mm |