http://blog.modernmechanix.com/2008/05/04/fire-alarm-calls-sent-out-with-perforated-plates/ Yesterday's tomorrow, today. Tue, 07 Oct 2008 22:36:18 +0000 http://wordpress.org/?v=2.6.2 http://blog.modernmechanix.com/2008/05/04/fire-alarm-calls-sent-out-with-perforated-plates/#comment-1054438 Matt Wed, 07 May 2008 03:46:02 +0000 http://blog.modernmechanix.com/?p=4402#comment-1054438 It's a punch card, but made out of metal so it lasts longer. See page 48 of http://www.tinaja.com/glib/hackar1.pdf , under the "LAN of the Eighties" heading, for a little more information on this system. It’s a punch card, but made out of metal so it lasts longer. See page 48 of http://www.tinaja.com/glib/hackar1.pdf , under the “LAN of the Eighties” heading, for a little more information on this system.

]]> http://blog.modernmechanix.com/2008/05/04/fire-alarm-calls-sent-out-with-perforated-plates/#comment-1054307 jayessell Mon, 05 May 2008 12:18:22 +0000 http://blog.modernmechanix.com/?p=4402#comment-1054307 It's a punch card? It’s a punch card?

]]>