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My own private Morse key collection
KEY 11

When I got this key, one of the two M5 finger screw was missing, Key Donated to my museum by OZ8FT thanks !
I have visited the Danish Post and Tele Museum "studiehus" where I found on the original Lyngby short and medium wave transmitter,
A total similar key, this transmitter is called OXY.
It was build by the Danish company MP-Pedersen in 1929,
If this key was the original, I guess I can date my key 11 also to about 1929 made by MP-Pedersen ??

Look how well done the new created bolt was made.

This key has been used for meny years with hight current.

A close up of the sparks holes in the contact plates.