glaverty
Member
Manufacturing Engineering has an article on Richard Morley, the guy who created the first PLC.
http://www.sme.org/cgi-bin/get-mag.pl?&&03jlm001&000007&2003/03jlm001&ARTME&SME&
http://www.sme.org/cgi-bin/get-mag.pl?&&03jlm001&000007&2003/03jlm001&ARTME&SME&