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Cistern barometer
Domestic cistern barometer with thermometer.
Walnut frame. The silvered scales are framed in an arched shaped head, surmounted by 3 brass balls. Hinged brass sliding index. The cistern has a screw for "Letting the Quicksilver down or screwing it up" and a piece of wood with a notch in it "to pervent the screwing of the Quicksilver up". The thermometer is 24 inches long and has the original paper scale of the Royal Society.
Brass fittings. Width 6.5" (16.5 cm)
Walnut frame. The silvered scales are framed in an arched shaped head, surmounted by 3 brass balls. Hinged brass sliding index. The cistern has a screw for "Letting the Quicksilver down or screwing it up" and a piece of wood with a notch in it "to pervent the screwing of the Quicksilver up". The thermometer is 24 inches long and has the original paper scale of the Royal Society.
Brass fittings. Width 6.5" (16.5 cm)
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Object Details
| ID: | NAV0795 |
|---|---|
| Type: | Cistern barometer |
| Display location: | Not on display |
| Creator: | Patrick, John |
| Date made: | circa 1710 |
| Credit: | National Maritime Museum, Greenwich, London, Caird Collection |
| Measurements: | Overall: 1041 mm x 55 mm x 165 mm |