Coloured diagram showing arrangement for exhausting a large wireless valve

Made:: 1927 in South Kensington

maker:: Science Museum Drawing Office

Coloured diagram showing arrangement for exhausting a large wireless valve, by Science Museum Drawing Office, South Kensington, London, 1927. A Herbert McLeod vacuum gauge is shown for measuring pressure.

Details

Category:: Vacuum Technology

Object Number:: 1929-34

Materials:: paper (fibre product) and cardboard

Measurements:: overall (lying flat): 2 mm x 360 mm x 230 mm, 0.12kg

type:: diagram

credit:: Science Museum Draughtsman

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