Please click your language flag. Bitte Sprachflagge klicken.

History of the manufacturer  

Research Laboratories, Inc.; Des Moines (IA)

As a member you can upload pictures (but not single models please) and add text.
Both will display your name after an officer has activated your content, and will be displayed under «Further details ...» plus the text also in the forum.
Name: Research Laboratories, Inc.; Des Moines (IA)    (USA)  
Abbreviation: resealabio
Products: Model types

Research Laboratories, Inc.; Des Moines, Iowa (1920´s).
Brand or product: "Kleer-Tone"


This manufacturer was suggested by Wolfgang Scheida.

Some models:
Country Year Name 1st Tube Notes
USA  24 Kleer-Tone   The famous improved Kleer-Tone; Wave trap with ~20-345 pF tuning capacitor and a 255 µH c... 


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

Outside of Research Laboratories Inc. Radio Log Book. Note their Kleer Tone on top of the radio.tbn_usa_resealabio_1930_logbook_outside.jpg
Inside of the Research Laboratories Inc. Radio Log Booktbn_usa_resealabio_1930_logbook_inside.jpg


Data Compliance More Information