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ID number:  BIRRC-P0895
Institution:  Research and Cultural Collections
Named collection:  Historic Physics Collection
Artist / Maker:  Physics Department
Title / Object name:  Cavity Magnetron – cathode for high power magnetron
Object type:  Cavity magnetron
Place made:  Birmingham University
Date made:  c. 1945
Materials:  Thorium oxide coated metal
Measurements:  4.2 x 4.1 cm. Cathode diameter 2.0 cm

This is a cathode to fit in a large cavity magnetron (possibly like P0898). It has a central heating filament surrounded by a thorium oxide coated cylinder. Such cathodes were assembled in Birmingham by two technicians named Cole and Scott-Smith.

Inscriptions / Translations:  MEGAWATT PULSED

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