PLEASE SEE PHOTOS FOR DETAILED CONDITION. GBC1 VTG Mathematics Of The Shops Practical Math Industrial Business Lot Of 2 Books. Both of these books are in good condition, showing some age in their hardcovers and interior. -THE MATHEMATICS OF THE SHOPS BY FRANK J MCMACKIN & JOHN H SHAVER 1942 – PRACTICAL MATHEMATICS Theory and Practice with Applications to Industrial and Business Problems EDITED BY REGINALD STEVENS KIMBALL 1965