Valve

Object detail

Accession number

1978.1789

Maker

Marconi Instruments Limited

Description

Four black metal pieces clipped onto a cylinder. On the cylinder is a glass bulb with filaments inside. On the end of the glass bulb are copper wires. At extreme top is ceramic electraical plate wiith two metal prongs and two metal hooks facing down.

Marks

ACT9 / Made in England Label

Media/Materials

Processed Material/Glass
Processed Material/Metal

Credit Line

Marconi Instruments Limited. 16 Aug 1967. Valve, 1978.1789. The Museum of Transport and Technology (MOTAT).

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Classification

Tube, Electrical Tube, Electron Tools & Equipment for Science & Technology Electrical & Magnetic T&E Electrical System Components

Production place

England Great Britain British Isles Europe Great Britain United Kingdom

Collection type

Telecommunication Communications Technology

Subject auto tags

Liquid Kitchen appliance Gas Fluid Small appliance Machine Home appliance Glass Titanium Metal

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