Skip to content
History of Science Museum
Hire the Museum for filming

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

Inventory Number 20815

Acknowledgement: © History of Science Museum, University of Oxford, inv.20815

Item type
Object
Provenance
Presented by the Marconi Corporation in 2004.
Primary inscriptions
"MARCONI'S WIRELESS / TELEGRAPH CO. LTD. / NO 155010 LONDON" etched onto upper surface of ebonite panel.
Object type
Radio communication
Dimensions
Height: 300mm Width: 290mm Depth: 220mm
Inventory No
20815
Accession Number
2004-9/137

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 ten brass terminals: a pair on the left hand side (marked "TO RECEIVER TERMINALS & TUNING CONDENSER TERMINALS") and four pairs on the right-hand side (marked "A" - "H"). Accompanied by paper leaflet stating "Part of Marconi-Bellini-Tosi System Wireless Direction Finder Pat.I907". Previously associated and catalogued with Tuning Condenser and Album of Direction Finder (Inv. Nums. 75237, 34635) .

Related Items

More related items