Vacuum Tube

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https://collections.museumsvictoria.com.au/items/414947

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Item ST 32997 Electronic Valve - Cossor, Beam Tetrode, Type 185BT, 1950-1960

Summary

The 185BT is a horizontal (line) output valve, used in British television receivers in the 1950s.

Manufacturer: Electronic Tubes Ltd, England. Manufactured for: A.C. Cossor Ltd.

18 V 450 mA indirectly heated cathode, intended for use in a series string in transformerless equipment.

Physical Description

Tall shouldered glass bulb with top cap on octal base with 7 pins present.

More Information

Collection Names

Electronic Valve Collection
Collecting Areas

Information & Communication, Engineering
Acquisition Information

Unknown Acquisition Method from Unknown Source
Manufactured For

Cossor, England, Great Britain, 1950-1960
Manufacturer

Electronic Tubes Ltd., England, 1950-1960
Inscriptions

Bulb: BVA/COSSOR/VALVE/185BT/BRITISH MADE/(illegible)
Brand Names

Cossor (Thermionic Electron Valves)
Classification

Electronics, Vacuum technology, Amplification
Category

History & Technology
Discipline

Technology
Type of item

Object
Overall Dimensions

140 mm (Length), 50 mm (Outside Diameter)
Keywords

Thermionic Electron Valves

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Item ST 32997 Electronic Valve - Cossor, Beam Tetrode, Type 185BT, 1950-1960

Summary

Physical Description

More Information

Collection Names

Collecting Areas

Acquisition Information

Manufactured For

Manufacturer

Inscriptions

Brand Names

Classification

Category

Discipline

Type of item

Overall Dimensions

Keywords