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Date

Replica of Early Vacuum Flask with Glass Seals, 1930

1930

Replica of Vacuum Vessel Sealed with Wax, 1930

1930

Replica of Early Dewar Heat Insulation Vessel, 1932

1932

Dewar Vacuum Vessel with Charcoal, 1906-1914

1906-1914

Replica of Early Vacuum Flask with Glass Seals, 1930

1930

Vacuum Cup, 1877-1900

1877-1900

Domestic Vacuum Flask, 1945-1955

1945-1955

Vacuum Cup, 1877-1900

1877-1900

Replica of Vacuum Vessel with Mercury Trough, 1930

1930

Dewar Vacuum Vessel, 1877-1900

1877-1900

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

1900-1982

Replica of a Dewar Metal Vacuum Vessel, 1931

1931
Replica of glass object in Royal Institution collection: Dewar double annular jacketed vessel completed by Scientific Supplies Co. Ltd. and Museum Workshops, London, England, 1932.

Replica of Dewar Double-Annular Jacketed Vessel, 1932

1932
Replica of object in Royal Institution collection: Dewar vacuum tube with mercury for reflecting surface, by Scientific Supplies Co., London, England, 1930.

Replica of Dewar Vacuum Flask containing Mercury, 1930

1930