00640cam a22001931i 4500 519.5 MAC L-2,P-11 Mackey, Charles O. 39481 Graphical solutions / by Charles O. Mackey. 2d ed. New York : J. Wiley & sons, inc. ; London : Chapman & Hall, limited, [1944] vi, 152 p. : ill., diagrs. ; 22 cm. "Logarithmic scales": folded leaf in pocket. 0 0 0 519_500000000000000_MAC Engineering Tables. 39482 Graphic methods. 2983 MCE 379 Slide-rule. ddc BK 543966 543966 0 0 ddc 0 0 MCE MCE 2014-04-08 0 519.5 MAC MCE-30238 2014-04-08 2014-04-08 BK