Books : reviews

Martin Paine.
Hi-Tec EC2400 Modem Users' Manual.
Hi-Tec Modems Ltd. 1990

[I was contacted in 2015 by someone desperate for a copy of this manual in order to use historical kit. I agreed to loan it to them, and they kindly provided a scanned PDF version to help the next desperate user. Warning! Over 21 MB file!]