Callendar's Disc 'Radio-Balance', 1905-1920

Made:: 1905 (invented); 1907-1920 in London

inventor:: Hugh Longbourne Callendar

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SMG00229120
Science Museum Group
© The Board of Trustees of the Science Museum

Original radio balance (laboratory pattern) devised by H. L. Callendar in 1905 and used at the Royal College of Science, Physics Laboratory.

Details

Category:: Heat

Object Number:: 1924-566

Materials:: wood (unidentified), brass (copper, zinc alloy), metal (unknown), plastic (unidentified), textile and copper (metal)

Measurements:: overall (assembled): 185 mm x 255 mm x 165 mm, , 1.34kg

type:: radiometer and measuring device (radiant energy)

credit:: Callendar, Hugh Longbourne

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