Vacuum Unit from Sir James Dewar's Research Vacuum Apparatus, 1877-1900

Made:: 1900-1982 in London

Set of three cylindrical vacuum vessels joined by common tubing

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Set of three cylindrical vacuum vessels joined by common tubing
Science Museum Group
© The Board of Trustees of the Science Museum

Set of three cylindrical vacuum vessels joined by common tubing in the form of a fork. Vacuum flasks contain both aluminium foil and paper. From Sir James Dewar's research vacuum apparatus, 1877-1900.

Details

Category:: Heat

Object Number:: 1946-259

Materials:: glass, aluminium foil and paper (fibre product)

Measurements:: overall: 315 mm x 125 mm x 37 mm, , .265kg

type:: vacuum flask (dewar) and laboratory equipment (physics)

credit:: The Royal Institution

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