Early Gimingham vacuum spherical bulb

Made:: 1900-1982

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Early Gimingham vacuum spherical bulb
Science Museum Group
© The Board of Trustees of the Science Museum

Early Gimingham vacuum spherical bulb, unexhausted (Sir James Dewar's research vacuum apparatus)

Details

Category:: Heat

Object Number:: 1946-254

type:: bulb

credit:: The Royal Institution

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Early Gimingham vacuum spherical bulb

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