Online Collections at UoB - Objects
ID number: BIRRC-P0900 Institution: Research and Cultural Collections Named collection: Historic Physics Collection Title / Object name: Cavity magnetrons - Commercial air-cooled type CV120 Object type: Cavity magnetron
Date made: Early 1940s Materials: Mainly copper and glass Measurements: Block diam. 7.5 cm, height 6.5 cm, fin diameter 11.5 cm, overall length 26 cm
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These 12-cavity magnetrons were designed to generate microwaves of wavelength 10.7 cm. The anode-cathode potential was 25 kV and the current 40 A, generating a pulsed output power of 400 kW. The magnetron would be used in a magnetic field of about 0.12 T Magnetron A is complete and has wooden packing measuring 28 x 10 x 8 cm. (Image b.) Magnetron B is cut open to display interior. (image c)
Inscriptions / Translations: CV120 No. 19971
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