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Marconi Bellini-Tosi Direction Finder, by Marconi Company, London, c. 1916

Inventory Number 78859

Acknowledgement: © History of Science Museum, University of Oxford, inv.78859

Item type
Object
Provenance
Presented by the Marconi Corporation.
Primary inscriptions
"MARCONI'S WIRELESS / TELEGRAPH CO. LTD. / NO 177754 LONDON" etched onto upper surface of ebonite panel.
Object type
Radio communication
Dimensions
Height: 295mm Width: 295mm Depth: 220mm
Inventory No
78859
Accession Number
2004-9/503

Description

Marconi Bellini-Tosi Direction Finder, with double index, copper and steel? cylindrical rotating core and dovetailed teak case (sides cut away to reveal interior). Topped by ebonite surface with bakelite knob and dial marked "DIRECTION FINDER" (scale 0-360). With twelve brass terminals: two pairs on the left hand side (marked "TO SEARCH COILS") and four pairs on the right-hand side (marked "A" - "H"). Previously associated with Instruction Manual For The Marconi Direction Finder Type No. 6 (Inv. Num. 23434).

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