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History of the manufacturer  

Unknown - CUSTOM BUILT: Switzerland (CH)

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Name: Unknown - CUSTOM BUILT: Switzerland (CH)    (CH)  
Abbreviation: unknown
Products: Model types

Unknown - CUSTOM BUILT: Switzerland (CH);
Not a "Homebrew"! If you dont know the maker please use UNKNOWN as a "maker"(not Custom built).
But if it is surely a homebrew set, please distinguish between "HOMEBREW-contempary" for sets done in their times and "HOMEBREW - New but not Replica" and "HOMEBREW-REPLIKA".
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This manufacturer was suggested by Wolfgang Scheida.

Some models:
Country Year Name 1st Tube Notes
CH  80 Infomaster Alco 202   Infomaster Alco 202, Swiss made; Broadcast equipment, rec./playback unit für radio Jingle... 
CH  40 Agentensender 105-Tg unknown_Tube  Agentensender 105 Tg: quarzkontrollierter CW-Sender für eine Sendefrequenz um 4 MHz. Entw... 
CH  78 Teleset W   Teleset H HF-Durchgangs-Leistungsmesser; 25 - 600 MHz, 1/10/30/100 W, Unbest... 
CH  78 Teleset H   Teleset H Automatischer Hub- und Modulationsgradmesser; 25 - 990 MHz, AM 30 - 100 %... 
CH  78 Teleset C   Teleset C (Generator & Frequenzzähler); Nixieröhrenanzeige, Unbestätigter Her... 
CH  20 Argentin Concert Sound Box (Pickup - Reproducer)   Argentin Concert Sound Box (Pickup - Reproducer); 
CH  20 Pianina Grand Concert Sound Box   Pianina Grand Concert Sound Box; Reproducer. Made in Switzerland. 
CH  83 Swiss-CB AM/FM-SSB Transceiver MK III (3)   Swiss-CB AM/FM-SSB Transceiver MK III (3); 22 channels. PA. Swiss PTT approved. Made in... 
CH  34 unbekannt (6 Röhren) 78  Gehäuse wurde in der Schweiz gefertigt. Das Chassis stammt sehr wahrscheinlich aus... 
CH  55 Verstärker - Amplificateur - Amplificatore Aloxyd A.G. Biel EF86  Amplificatore audio per fono e 2 microfoni. The front panel carries a print ... 
CH  30 Parsi - Mono Cell For Flashlights - 1½ Volts   Made in Switzerland. 
CH  62 Radio-Truhe Ch= Saba Freudenstadt 12-Stereo ECC85  Radio-Truhe (Musikschrank) wahrscheinlich aus schweizer Fertigung (Kontrollmarke der PT...