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History of Science Museum

Ship's Bridge Telephone, Early 20th Century

Inventory Number 72842


Acknowledgement: © History of Science Museum, University of Oxford, inv.72842

Item type
Object
Provenance
Presented by the Marconi Corporation.
Primary inscriptions
"ZE C MC L" printed on edge of side, under lid.
Object type
Radio communication
Dimensions
Height: 225mm Width: 185mm Depth: 130mm
Inventory No
72842
Accession Number
2004-9/489

Description

Ship's Bridge Telephone, with nickel-plated bell, hook and speaker in wall-mounting lidded mahogany? case. Including exterior nickel-plated receiver with polished black bakelite? mouthpiece connected to apparatus with cord. With red button on side case, possibly for emergency or calling. Lid opens to reveal interior, including printed circuit diagram stuck to interior surface of lid. Interior includes mulitple nickel-plated terminals and components, plastic-covered resistor, two "7.5" copper-wrapped coils and assorted wires. "ZE C MC L" printed on part of case possibly stands for 'Zinc Electrode Carbon Microphone Line'. Previously catalogued and associated with matching Ship's Bridge Telephone (Inv. Num. 57185).