Boyes, John G. , Margolis, Louis & Slade, Samuel Mathematics For Technical And Vocational Students By John G. Boyce, Louis Margolis & Samuel Slade - Seventh Edition - New York Goodwill Bookstore 1922 - xiv, 561 pages, 22 cm. includes appendix and index ISBN: 971-05-0313-8 Subjects--Topical Terms: Shop Mathematics. Dewey Class. No.: 513.142 B71 1982 c6