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

Inventory Number: 78859

78859-2t 78859-1t 78859-3t

Date: c. 1916

Maker Details: Signed by Marconi's Wireless Telegraph Co. Ltd.

Inscription: "MARCONI'S WIRELESS / TELEGRAPH CO. LTD. / NO 177754 LONDON" etched onto upper surface of ebonite panel.

Size: 290 x 220 x 255 mm (excluding dials and terminals)

Materials: Teak, brass, bakelite, ebonite, steel?, copper.

Other Given Number(s): Christie's 60, 784 (white tag).


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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