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midrange.com
The emergency pull switch was on all 360 models and Sys/3 model
machines. It continued many years after,
on quite a few more models.
When you pulled this switch, it killed all power to all devices
attached to the cpu, including of course , the cpu.
Apart from fire threat, and vandalism, there was always the possibility
that someone might get pieces of their
clothing caught in the operational devices (particularly ties in chain
printers), and this switch was a quick and
efficient way to save the day
Ken Shields
PPG Canada Inc
155 First Ave.
Oshawa, Ontario L1H 7L3
PH: 905 725 1144 (326)
FAX: 905 433 8712
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