[GreenKeys] gretener telewriter tg 21

[MIT]

i have a ww2 era gretener telewriter tg 21 from the wright pat museum in the original crate and would like to swap it for something i can use.it looks to be in good condition and could be restored without too much trouble.from what i understand it works on the  principal developed by dr gretner and used on the etk47 crypto machines.photos available.
thanks in advance
mit
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