000 002650000a22001210004500
080 _a51:621.7
_bA9
100 _aAxelrod, Aaron
245 _aMachine shop mathematics
250 _a2nd ed.
260 _aNew York
_bMcGraw Hill
_c1951
300 _a359p.
942 _cBK
999 _c53108
_d53108