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

Made:
1900-1982 in London

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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:
aluminium foil, glass and paper (fibre product)
Measurements:
overall: 315 mm x 125 mm x 37 mm, , .265kg
type:
vacuum flask (dewar)
taxonomy:
  • tools and equipment
credit:
The Royal Institution