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Fleming Valve, by Ediswan, London, c. 1905

Inventory Number: 21803

Date: c. 1905

Maker Details: Attributed to Ediswan.

Inscription: None

Size: 75 mm in overall length (excluding mounting)

Materials: Glass, assorted metals, brass.

Other Given Number(s): Christie's 211, Science Museum Loan 1936-282, 26 R (sticker on surface).


Small Fleming Valve with brass Edison screw mounting. With vertically-held electrode assembly, and protruding stiff metal wire.

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