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Wireless Telegraph Keys

 


Marconi "Grasshopper" Key
(Reproduction)


Signal Electric
Telegraph Key


Wireless Spec. Apparatus
SE 68A Spark Key
1917


Brach J-7-A
Flame Proof Key
1921


Spark Key


Speed-X Spark Key


Signal Electric Spark Key


Type D Admiralty Key
Made for the British Navy by Marconi in 1917
Click here to see inside case


RCAF Key

 


Admiralty key
(Australia)


Expanse Key
(Australian)
~1919 


Early Australian Spark Key


Marconi Wireless Key
c.1912
Click here for a larger image

 
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