International Business Machines Corporation Search this
Physical Description:
plastic (overall material)
paper (case material)
Measurements:
overall: .2 cm x 25 cm x 10 cm; 1/16 in x 9 13/16 in x 3 15/16 in
Object Name:
slide rule
Place made:
United States: New York, New York City
Date made:
1953-1959
Description:
This plastic rectangular instrument calculated the time required for different types of IBM punched card equipment to process given numbers of cards. The black side is for accounting machines, sorters, and collators. The white side is for card punches, verifiers, and auxiliary machines. These machines were in use from roughly 1953 through 1959. The white side is marked: IBM; International Business Machines Corp. (/) 590 Madison Ave. New York 22, N.Y. (/) Patent Applied For. It is also marked THINK and MADE IN U.S.A. An instruction card is provided. A tan envelope is marked: IBM (/) MACHINE LOAD COMPUTER (/) AND DESCRIPTIVE FOLDER (/) Form 20-8704-1. No patent record was located.
Benjamin S. Mulitz, the donor, worked with punched card equipment and then with computers from 1940 until 1985. He used both Remington Rand and IBM products. He was employed by the U.S. government and then in the wholesale drug industry.
