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Coherer Receiver, by Marconi Company, London, 1905

Inventory Number 99245

Acknowledgement: © History of Science Museum, University of Oxford, inv.99245

Item type
Object
Provenance
Presented by the Marconi Corporation.
Primary inscriptions
"MARCONI'S WIRELESS TELEGRAPH CO. LTD. / 1905 / NO 641" etched into side exterior surface of base.
Other inscriptions
"4TR" stamped in ink on side exterior surfaces of base and coherer/tapper base. "MARCONI'S WIRELESS TELEGRAPH CO. LTD." etched into side exterior surface of coherer/tapper base. "PATENT / 696" etched into upper exterior surface of coherer/tapper base. "MARCONI'S / WIRELESS / TELEGRAPH CO. LTD. / 143 PATENT" etched on upper exterior surface of jigger box. "MARCONI'S / WIRELESS / 37 / TELEGRAPH CO. LTD. / BAL" printed on upper exterior surface of relay.
Object type
Radio communication
Dimensions
Height: 185mm Width: 570mm Depth: 195mm Weight: 8.04kg
Inventory No
99245
Accession Number
2004-9/152

Description

Coherer Receiver, with Marconi Company telegraph relay marked "BAL", mahogany battery box with lid (missing batteries), jigger (transformer) box No. 143 and coherer/tapper unit mounted on a mahogany base. Previously associated and catalogued with matching empty Case For Coherer Receiver (Inv. Num. 98971).

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