Marconi Instruments Limited, Manufacturer

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Maker and Role
Marconi Instruments Limited, Manufacturer
Two glass tube sections with seam and metal and copper plating. Top glass section has four metal caps with glass central knob. Metal inside. Other end has metal pipe with radial cooling fans around it. Metal band around cooling fan.
Processed Material/Metal
Processed Material/Metal/Copper
Processed Material/Glass
Signature/Marks and Type
Marconi, Made in England Maker's Mark
Accession No
Credit Line
Marconi Instruments Limited. Valve, 1978.1795. The Museum of Transport and Technology (MOTAT).

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