[GreenKeys] What is this thing?

[sam.hallas]

Ron Zond wrote:
> 
> the gadget is a tape reperforator. It punches 5 bit Murray code (not Baudot)
> onto a tape. it is used for highspeed TTY. After you type your message, you
> feed it to a TTY machine, probably a Model 15. One of the joys (???) of
> early TTY was punching tape. Great for QSOs.
> 
> Ron
> K3MIY
> 

Ron, I'm curious to know what you mean by "Murray code (not Baudot)". 

I understand that Murray's code was never adopted internationally and
that what is commonly known as Baudot is not Baudot's code either, but
is International Telegraph Alphabet No 2.

Sam