Brackets for straight cistern-tube barometer
Two brass hinged brackets forstraight cistern-tube barometer by Sissons.
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LicenseStraight cistern- tube barometer, 1760-1775
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Straight cistern- tube barometer, 1760-1775
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Straight cistern-tube barometer with two brass hinges.
Straight cistern- tube barometer, 1760-1775. This barometer was made by Jeremiah Sisson of London. It is a standard straight tube instrument of the type common in gentlemen's houses at the time. However, it has two additional features: a vernier scale which gives a reading to 1/200ths of an inch, and an ivory pointer which allows the level of the mercury in the cistern to be taken into account.
Details
- Category:
- King George III
- Object Number:
- 1927-1910
- Measurements:
-
overall: 970 x 205 x 125 mm
- type:
- barometers
- credit:
- King's College, London
Parts
Straight cistern-tube barometer by Jeremiah Sisson
Straight cistern-tube barometer.
- Materials:
- glass , mercury , mahogany (wood) , brass (copper, zinc alloy) , silver (alloy) , lignum vitae , iron , ivory and paper (fibre product)
- Object Number:
- 1927-1910 Pt2
- type:
- barometer
