Valve Factory Virtual Tour AWV Factory Ashfield

Metal strip is pressed into plates

Wire is wound into accurately gauged grids

Coated filament wire is cut to exact lengths

Completed parts are treated in hydrogen furnaces

Wire leads and glass are fused to make stems

Stem leads are trimmed and formed into position

Completed glass stems are examined under polarised light

Spacing washers are stamped from sheets of mica

Components are assembled in the form of cages

Cages and stems are welded together electrically

Complete mount is sealed in glass and air exhausted

Racks of finished valves undergo the aging treatment

Every valve must pass rigid and thorough tests

Radiotron valves are individually packed in specially designed cartons to ensure safe transport

Valve Factory Virtual Tour AWV Ashfield

AWV Factory Tour Photo Index

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Acknowledgment: This page contains text and images from Radiotronics #137, May-June 1949. A Radiotron technical release published in Sydney, N.S.W., by Amalgamated Wireless Valve Company Pty. Ltd.

Retrovox/R137/Valve Factory