A student's manual for business machines
Subtitle: instruction and practice on the four common types of adding and calculating machines
By: by R. Roy Kerfoot, W. Horace Limbert, Freeman D.R. Waugh.
Contributors: Limbert, W. Horace.; Waugh, Freeman D. R.
Publisher: Ryerson Press
Published: 1958
Place of publication: Toronto
Language: eng
Number of pages: 78
Subjects: Office equipment and supplies.