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Marconiphone Crystal A Type RB3 M2

Marconiphone Crystal A Type RB3 M2; Marconi Co. (ID = 1358941) Crystal
Marconiphone Crystal A Type RB3 M2; Marconi Co. (ID = 2271904) Crystal Marconiphone Crystal A Type RB3 M2; Marconi Co. (ID = 2271906) Crystal
Marconiphone Crystal A Type RB3 M2; Marconi Co. (ID = 2271905) Crystal Marconiphone Crystal A Type RB3 M2; Marconi Co. (ID = 2271907) Crystal
Marconiphone Crystal A Type RB3 M2; Marconi Co. (ID = 957708) Crystal Marconiphone Crystal A Type RB3 M2; Marconi Co. (ID = 1358933) Crystal
Marconiphone Crystal A Type RB3 M2; Marconi Co. (ID = 1358935) Crystal Marconiphone Crystal A Type RB3 M2; Marconi Co. (ID = 1358937) Crystal
Marconiphone Crystal A Type RB3 M2; Marconi Co. (ID = 1358938) Crystal Marconiphone Crystal A Type RB3 M2; Marconi Co. (ID = 2008620) Crystal
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Marconiphone Crystal A Type RB3 M2; Marconi Co. (ID = 2271904) Crystal
Marconi Co.: Marconiphone Crystal A Type RB3 M2 [Crystal] ID = 2271904 1400x1213
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For model Marconiphone Crystal A Type RB3 M2, Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice):
Collection privée (réf.: 1180, 1417)
 
Country:  Great Britain (UK)
Manufacturer / Brand:  Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice)
Year: 1922 Category: Detector-Radio (Crystal or diode, without tubes/transistors)
Main principle Crystal or Solid State Detector
Tuned circuits 2 AM circuit(s)
Wave bands Broadcast (MW) and Long Wave.
Details
Power type and voltage No Power needed
Loudspeaker - For headphones or amp.
Power out
from Radiomuseum.org Model: Marconiphone Crystal A Type RB3 M2 - Marconi Co. Marconiphone,
Material Leather / canvas / plastic - over other material
Shape Tablemodel, Box - most often with Lid (NOT slant panel).
Dimensions (WHD) 11.5 x 5.25 x 6.25 inch / 292 x 133 x 159 mm
Notes BBC/PMG stamp, GPO No.101; slot in range blocks for wave change; Earlier models delivered before NOV.15, 1922 are without BBC/PMG and GPO markings.
The set uses 2 Detectors: a Carborundum/steel detector (polarised by a 1.5 V cell) and an open Catwhiskers/Galena detector. Spade tuning. Slot-in range blocks.
Net weight (2.2 lb = 1 kg) 2 kg / 4 lb 6.5 oz (4.405 lb)
Collectors' prices  
Mentioned in Radio! Radio! (fig.64)
Literature/Schematics (1) Tickling the Crystal; Sanders (Vol.3; p.51)

Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.



All listed radios etc. from Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice)
Here you find 484 models, 293 with images and 311 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.





  
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