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Marconi Five-Valve Receiver, by Marconi Company, London, 1922

Inventory Number: 62304
Object Type:
Place Created: London England United Kingdom Europe
Accession Number: 2004-9/117
Brief Description: Marconi Five-Valve Receiver, with one 'Q' and four 'V24' valves (marked "H.F.", "H.F." "RECTIFIER" and "NOTE MAGNIFIERS"). With anode and aerial inductance dials (both scales 1-10), two aerial tuning condenser knobs (both scales 0-90), and other assorted bakelite? and ebonite dials. Assorted dials include potentiometer H.F. valves, filament h.f. valves, detector filament, note magnifier filaments, reaction coupling (all scales 0-50); additional switches for note magnifiers (0,1,2), output (phones, loud speaker), on/off switch and valve switch (1,2). Controls are on sloping ebonite? vertical panel with two 'phones sockets, and is enclosed by doors in teak case. With nickel-plated aerial and earth terminals on top; plugs on side for High Tension battery and Low Tension accumulator and connections for Loudspeaker.
Primary Inscriptions: "THE MARCONI / SCIENTIFC INSTRUMENT CO. LTD. LONDON / REG. P.O. NO 0502" on sloping vertical panel.
Provenance: Presented by the Marconi Corporation.
Collection Group: Marconi Collection
Material(s): Teak
nickel
ebonite?
copper
bakelite?
glass.
Dimensions:
Height Width Depth Diameter Unit
500 430 300 mm

Narratives

Image with multimedia irn 39576Image with multimedia irn 39577Image with multimedia irn 39578

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