000 00494nam a2200085 4500
080 _a51:621
_bHOR.61
245 _aMathematics at work ; Practical applications of arithmetic, algebra, geometry, trigonometry and logarithms to the step-by-step solutions of mechanical Problems, with Formulas Commonly used in engineering practice, standard reference Tables and a Concise Review of Basic Mathematical Principles. Ed - 2
100 _aHorton, Holbrook L
260 _bThe Industrial Press, New York, 1957
300 _ax+1-1 to 28-12
999 _c30300
_d30300