Negretti & Zambra Reversing Mercury Thermometer, 1877-78.

Made:
1877-1878 in London
Reversing thermometer in wooden holder with lead shot inside

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Reversing thermometer in wooden holder with lead shot inside
Science Museum Group
© The Board of Trustees of the Science Museum

Reversing thermometer in wooden holder with lead shot inside, by Negretti & Zambra, London, 1877-78 (see note).

Details

Category:
Oceanography
Object Number:
1911-228
Materials:
wood (unidentified), pine (wood), brass (copper, zinc alloy), galvanised iron, lead (shot), tin plated, glass, mercury and rope (possibly manilla hemp)
Measurements:
overall: 55 mm x 340 mm x 58 mm, , .675kg
type:
thermometer, reversing and mercury thermometer
credit:
Admiralty Hydrographic Department