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Record Details

Coil-Type Testing Buzzer With Case, Early 20th Century

Inventory Number: 87609
Object Type:
Accession Number: 2004-9/651
Brief Description: Coil-Type Testing Buzzer, in varnished wood case. With loops and hooks on both sides to assist removal of cover and reveal interior upon base. With four brass terminals upon exterior surface of base: top pair marked "A" and "E" respectively, bottom pair marked "B" and "K" respectively. Interior of case has a single brass terminal, ebonite insulation, and dual wooden coils mounted side by side with fibre-covered copper wire wrapping around individual coils.
Primary Inscriptions: "A" and "E" burnt into upper surface of base near top terminals. "B" and "K" burnt into upper surface of base near bottom terminals.
Provenance: Presented by the Marconi Corporation.
Collection Group: Marconi Collection
Material(s): Wood

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