Catalogue
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Fleming Valve, by Ediswan, London, c. 1905
Inventory Number: 67162
Date: c. 1905
Maker Details: Attributed to Ediswan.
Inscription: None
Size: 110 mm in overall length
Materials: Copper, glass, brass, assorted metals.
Other Given Number(s): Christie's 192.
Notes:
Fleming Valve, made in cylindrical form with copper gauze covering and bayonet fitting, with brass base. Purpose of copper gauze was to protect valve from any external electrical fields. Previously catalogued with 4 Volt Fleming Valve (Inv. Num. 93660).
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