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History of the manufacturer  

Marconi - Officine Marconi; Genova

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Name: Marconi - Officine Marconi; Genova    (I)  
Abbreviation: marconi
Products: Others Tube manufacturer

Officine Radiotelegrafiche Marconi, Genova; Transmitters, receivers and others.

Post WW2 existence unknown yet.

This manufacturer was suggested by Alessandro De Poi.

Some models:
Country Year Name 1st Tube Notes
20 Récepteur 12340-21 Officine Marconi Genova TM  Détection commutable par tube ou par galène 
15 Boite d'accord 7603-18 Officine Marconi Genova   Boitier bois, face avant et face supérieure bakélite 
27 Trasmettitore di bordo RA8 [3 tubes] MT1_MOV  RF output: 300 W; Wavelength: 600 m to 900 m Wooden housing with metallic edge ... 
25 Tasto di Morse - Morse Key per trasmettitore RA8   Morse key for Marconi RA8. 
12 Sidelever Spark Key   This is a Marconi Sidelever Spark Key or “Guillotine” Spark Key, as it was sometimes ca... 
65 Giradischi 4 velocità   16- 33- 45- 78 giri controllo di volume e tono commutatore AC/DC testina gi... 
35 Complesso Fonografico 78 giri    
25 Trasmettitore di bordo RA8 [2 tubes] MT1_MOV  250W output over the wavelength range from 500 to 900m. Voice or key input, Heising modula... 
17 Trasmettitore di bordo a scintilla MNM   One of the very early spark transmitters. also used aboard aircraft and airships, was the ... 
24 Trasmettitore di bordo RA6   50W output power, 600 to 900m wavelength, voice or key operation. 
23 Ricevitore di Bordo AD3 V24  450 to 1000m wavelength. Designed to operate on aircraft with AD1 transmitter.This was the... 
21 Trasmettitore di Bordo AD1   450 to 100m, 250W, voice or key modulation. In aircraft installation was powered by propel...