Sideswiper telegraph Key
On the Base: ELECTROPHYSICS CORPORATION - NEWPORT BEACH CALIF.
This is a gift of Helene/LA8SL and Finn/LA5AD ... thanks !
"Race Red Paddles" has been made for free by good friend Sal IK1OJM ... thanks too !
The key has a very particular mechanics, with "race paddles" is even more amusing to use,
watch also youtube video.