Full keyboard adding listing machine course
By: by Peter L. Agnew and Raymond C. Goodfellow.
Contributors: Goodfellow, Raymond Charles, 1890- joint author.
Publisher: South-western publishing company
Published: 1939
Place of publication: Cincinnati; New York [etc.]
Language: eng
Number of pages: 90
Subjects: Calculators
Other titles: Adding listing machine course.
Notes: "Test no. 1" (3 p.) and "Test no. 2" (4 p.) laid in.