Mathematics for practical men: being a common-place book of principles, theorems, rules, and tables, in various departments of pure and mixed mathematics, with their application; especially to the pursuits of surveyors, architects, mechanics, and civil engineers ... Gregory, Olinthus, 1774-1841. Mathematics. QA39 .G7 1836 510 GRM Philadelphia, E. L. Carey and A. Hart, 1836. 1836. 1836 Text xii, 427 p. : http://hdl.loc.gov/loc.gdc/scd0001.00055944428 eng Also available in digital form on the Internet Archive Web site. Also available in digital form on the Internet Archive Web site.