Type 77 Collator

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  • Description
Date Introduced
1937
Photographer
Richards, Mark
Dimensions
52 x 40 x 19 3/4 in.
Manufacturer
International Business Machines Corporation (IBM)
Credit Line
Gift of Humbert Lemaire
Copyright Owner
© Mark Richards
Location
United States
Keywords
Unit record equipment; Great Depression; Social Security
Object ID
X1578.98

A collator can read two stacks of sorted punched cards and merges them into a single sorted stack. It can also remove duplicates and detect incorrectly sorted cards, as controlled by a wired plugboard. It can also remove duplicates and incorrectly sorted cards, as controlled by a wired plugboard. The Type 77 collator, designed initially for the Social Security Administration, can process four cards per second from each input stack.