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Misc. Item Detail
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Item #

A3518

1960s IBM 360 & 370 Emergency Pull Knob

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V040317

Price $

175

This is the infamous Emergency Pull knob from the early IBM System 370.  It was located side of the Central Processor incase of any emergency.  When pulled it would sever all peripheral equipment connections and would take a CE many days to reconnect.  Operators were told “Never Pull this unless the machine is on Fire”.  The stories escalate with disgruntled folks calling in to the Computer Operations stating “This is Public Service … Shut down all equipment NOW, as there will be a power surge in a few minutes”.  Those Operators gullible enough to believe this caused several days of down time.  Size is 1.25” diameter by 1.75 length.  Collectors of IBM computer memorabilia will find this a highlight to their collection.

Photos and Descriptions Copyright Protected by New Beginning Antiques.

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