Diagonal Mercury Barometer with Hygrometer, 1763-1765

Made:
1763-1765 in Charing Cross
maker:
Watkins & Smith
Drawing, left bottom of the mercury barometer Diagonal Mercury Barometer with Hygrometer, 1763-1765 (mercury barometer; hygrometer)

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Drawing, left bottom of the mercury barometer
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Diagonal mercury barometer in walnut and mahogany frame, by Watkins & Smith, London, 1763-1765. Fitted in glazed frame with hygrometer and box containing blackboard. Perpetual almanac showing moon phases, days of the month and dates of Easter from 1753-1852.

Details

Category:
Meteorology
Object Number:
1876-814
Materials:
see part 2
Measurements:
overall: 1080 mm x 680 mm x 90 mm, 12.2kg
type:
mercury barometer and hygrometer
credit:
Admiralty Hydrographic Department

Parts

Case for diagonal mercury thermometer, British, 1763-1765

Case for diagonal mercury thermometer, British, 1763-1765

Box containing original backboard - not inspected associated with Diagonal mercury barometer in walnut and mahogany frame, by Watkins & Smith, London, England, 1763-1765.

Measurements:
overall: 46 x 5 x 56 cm
Object Number:
1876-814 Pt1
type:
instrument component and instrument case
Diagonal Mercury Barometer with Hygrometer, 1763-1765

Diagonal Mercury Barometer with Hygrometer, 1763-1765

Diagonal mercury barometer in walnut and mahogany frame, by Watkins & Smith, London, 1763-1765. Fitted in glazed frame with hygrometer. Perpetual almanac showing moon phases, days of the month and dates of Easter from 1753-1852.

Measurements:
overall: 1080 mm x 680 mm x 90 mm, 12.2kg
Materials:
brass (copper, zinc alloy) , silver (metal) , mercury , alcohol , mahogany (wood) , walnut (wood) , glass and paper (fibre product)
Object Number:
1876-814 Pt2
type:
instrument component and mercury barometer