McVitie Weston valve collection, Western Electric valve, type 209A
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Western Electric valve, type 209A, marked W-23/234 V.T. No
Science Museum Group
© The Board of Trustees of the Science Museum
Western Electric valve, type 209A, marked W-23/234 V.T. No.9, glass pillar broken, (RMW/E130 - McVitie Weston number), by Western Electric Company Limited.
