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Posted: **Tue Jul 03, 2012 8:00 am**

Amazing how precise this is.

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Posted: **Tue Jul 03, 2012 12:53 pm**

Neat... Now an hour later I understand how air brakes work thanks to the US military.

Posted: **Tue Jul 03, 2012 7:10 pm**

This is kind of funny, because I just watched the last episode of Season 2 of Star Trek TOS last night & wouldn't you know it, they had a type writer typing on it's own. Of course, they were using "movie magic".

Posted: **Wed Jul 04, 2012 7:24 pm**

great video...that guy explains things quite well.

PCA Forums

IBM Selectric Typewriter & its digital to analogue converter

IBM Selectric Typewriter & its digital to analogue converter