Catalogue
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Marconi Receiver Type 226B, by Marconi Company, England, c. 1920
Inventory Number: 40124
Date: c. 1920
Maker Details: Signed by the Marconi International Marine Communication Co. Ltd.
Inscription: "MARCONI I. M. COM. CO. LTD / RECEIVER TYPE 226 B. INST. NO 2360" on ebonite panel.
Size: 335 x 160 x 330 mm (height excluding dials and knobs)
Materials: Teak, chromium, plastic?, ebonite.
Other Given Number(s): Christie's 119, 875/3 (white tag).
Notes:
Marconi Receiver Type 226B, with single valve plug, valve/crystal switch, tune/standby switch, increase coupling valve (marked "M.I.M.C.CO.LTD / TYPE 307"), series/parallel coupling valve switch, on+/off/on- coupling valve switch, crystal detector in plug-in unit, inductance and condensers for first and second circuits, inductance dials for first and second circuits (respective scales 1-7 and 1-8), condenser dials for first and second circuits (scales 0 -180), bakelite reaction and filament dials, increase coupling dials (scale 1-9), printed data tables for both circuits, and eleven chromium terminals, on vertical ebonite panel with chromium-plated fittings and teak case. Chronium terminals are marked "Aerial", "Earth", "T" (Pair), "+L.T.", "COM-", "H.T.+", "Reaction" (Pair), and "Inductance" (Pair). Single valve missing. Previously catalogued with Marconi Note Magnifier Type 227B (Inv. Num. 76594), Marconi Long Wave Panel Type 229B (Inv. Num. 41345) and two associated Radio Valves (Inv. Num.s 88794 & 85569).
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