AMERICAN MARCONI - TYPE 'A' TRANSMITTING KEY 
Type: Transmitting Key
Rating: Up to 4 kw
/type_a_xmitter_key.jpg
Looking for an actual photo of the Type A key  . Contact: jerry.proc@sympatico.ca

 


 Credits and References:

1) Steve Rosenfeld <oceangate(at)comcast.net>
2) Al Klase <ark(at)ar88.net>
3) Catalogue of Used Apparatus - Marconi Company of America.

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July 7/20