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History of the manufacturer  

Marconi Scientific Instrument Co. LTD.,The; London

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Name: Marconi Scientific Instrument Co. LTD.,The; London    (GB)  
Abbreviation: marconisci
Products: Model types Tube manufacturer
Summary:

The Marconi Scientific Instrument Company LTD;
in Sept. 1922 the address was 40 Dean Street, Soho, London W.1
in April of 1923 was located at Dudden Hill Lane , Willesden, London N.W.10

The company offered valves in "The Wireless World and Radio Review", September 16, 1922, page xi,

and a three-valve set in the April 7, 1923 "The Wireless World & Radio Review"  page xvii

History:

This manufacturer was suggested by Alan Larsen.


Some models:
Country Year Name 1st Tube Notes
GB  22 Amplifying Detector Type M.9 (R.) R_Marconi  Marconi Scientific Amplifying Detector Type M.9 The instrument is enclosed in a te... 
GB  22 Short Wave Retroactive Tuner Type M.36   Marconi Scientific Short Wave Retroactive Tuner Type M.36 Wave-length range 150 to 750 ... 
GB  22 Amplifying Detector and Tuner Type M.18 V24  Marconi Scientific Amplifying Detector and Tuner Type M.18 Wave-length range 1,000... 
GB  22 Note Magnifier (Audio Amplifier) Type M.24   Marconi Scientific Note Magnifier Type M.24 Made for the special "BR" valves. 
GB  22 High Frequency Amplifier Type M.33 V24  Marconi Scientific High Frequency Amplifier Type M.33 
GB  22 Amplifying Detector Type M.9 (V.) V24  Marconi Scientific Amplifying Detector Type M.9 The instrument is enclosed in a te... 
GB  22 Retroactive Tuner Unit No. 2   Marconi Scientific Instrument Unit No. 2 Retroactive Tuner Tuning Range 550-26,000 meters 
GB  22 Detector and Two-Step Amplifier Unit No. 8   Marconi Scientific Unit No. 8  Detector and two-stage audio amplifier. 
GB  23 Two-Valve Broadcast Receiver V24  Tunes up to 2,600 meters. 
GB  22 Super Sensitive Amplifier Unit No. 12 V24  Marconi Scientific Unit No. 12  Super Sensitive Amplifier The Unit System No.... 
GB  22 Note Magnifier (Three-Stage Amplifier) Unit No. 10 R_Marconi  Marconi Scientific Unit No. 10 Note Magnifier (two-Stage Audio Amplifier) Three&nb... 
GB  22 Note Magnifier (Two-Stage Amplifier) Unit No. 9 R_Marconi  Marconi Scientific Unit No. 9 Note Magnifier (two-Stage Audio Amplifier) Two cascaded U... 

[rmxhdet-en]

Further details for this manufacturer by the members (rmfiorg):

tbn_marconi_scientific.jpg

  
rmXorg