[GreenKeys] Teletype tape to Morse tape converter

[Jim Haynes]

On Sun, 31 Jan 2016, Ed Sharpe Archivist for SMECC via GreenKeys wrote:

> There were a lot of them used  ww2  I was  told but how far back do they go?
>  
Patented in 1914, pats 1,085,984 and 1,085,985

I believe the original use was for undersea cable transmission, where they
used bipolar signals, one polarity for dot and the other for dash.  Then
with radio used for very high speed operation with dots and dashes.