Please click your language flag. Bitte Sprachflagge klicken.

History of the manufacturer  

McMahon & ST John; South Norwalk, Connecticut

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: McMahon & ST John; South Norwalk, Connecticut    (USA)  
Abbreviation: mcmahon
Products: Model types

The McMahon & ST John company was located at 56 West Avenue in South Norwalk, Connecticut.

In a January 1920 Radio Amateur News magazine advertisement the company offered a crystal receiving set.


This manufacturer was suggested by Alan Larsen.


Data Compliance More Information