How to use adding machines
Subtitle: ten-key, full-key, printing calculator
By: [by] James R. Meehan [and] Gilbert Kahn.
Contributors: Kahn, Gilbert, 1912-1971, joint author.
Publisher: Gregg Pub. Division, McGraw-Hill
Published: 1962
Place of publication: New York
Language: eng
Number of pages: 138
Subjects: Calculators.; Computers.