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Record Details

'Marconi' Auto-Alarm Buzzer Type 225, by Marconi Company, English, c. 1920

preview image for 'Marconi' Auto-Alarm Buzzer Type 225, by Marconi Company, English, c. 1920
Inventory Number: 34759
Object Type: Object
Place Created: United Kingdom (England) Europe
Subject Classification(s): Radio communication Radio communication  
Accession Number: 2004-9/41
Primary Inscriptions: "TYPE NO 225" etched into base surface.
Provenance: Presented by the Marconi Corporation.
Collection Group: Marconi Collection
Material(s): Metal
ebonite?
aluminium
steel.
Dimensions:
Height Width Depth Diameter Unit
50 39 102 mm

Narratives

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