The IBM Type 77 Collator in use at the Social Security Administration
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- Details
- Description
- Date
- 1940 ca.
- Credit Line
- Courtesy of the Social Security Administration History Archives
- Keywords
- Unit record equipment; Social Security
- Object ID
- 500004201
Hundreds of these machines were used to merge decks of cards punched with Social Security data. The Type 77, which leased for $80 a month, was produced for 20 years.
