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History of Science Museum

'Marconi' Lifeboat Transmitter Type 241A, by Marconi Company, London, c. 1920

Inventory Number 59677


Acknowledgement: © History of Science Museum, University of Oxford, inv.59677

Item type
Object
Provenance
Presented by the Marconi Corporation.
Primary inscriptions
"MARCONI'S WIRELESS / TELEGRAPH CO LTD LONDON / NO 300651 TYPE 107" printed on metal plaque upon vertical surface in interior. "'MARCONI' / LIFEBOAT TRANSMITTER / TYPE 241 A P.S. NO 1679 A / INST. NO 297597 MARCONI'S WIRELESS TELEGRAPH CO. LTD. LONDON" printed on metal plaque upon base. "AMPERES / M.W.T.CO.LTD / LONDON / Patent No 13852" on vertical face of ammeter.
Object type
Radio communication
Dimensions
Height: 470mm Width: 310mm Depth: 300mm
Inventory No
59677
Accession Number
2004-9/402

Description

Marconi' Lifeboat Transmitter Type 241A, with aerial tuned inductance, 2500 Volts DC transformer, condenser, ammeter, and quench-gap spark housed in a teak frame. Ammeter mounted on vertical Bakelite surface with scale 0-5 Amperes and damaged glass face. With five steel Aerial terminals (marked 0, 0.5, 1, 1.5, 2) on Bakelite surface on upper section of frame. With steel Earth terminal on base surface. Associated with photocopied leaflet.