Elementary problems in engineering/
Leach, H. W.
Elementary problems in engineering/ by H.W. Leach [and] George C. Beakley. - New York, : Macmillan ,1951 - 269 p. illus.
Engineering
620.76 LEA/V
Elementary problems in engineering/ by H.W. Leach [and] George C. Beakley. - New York, : Macmillan ,1951 - 269 p. illus.
Engineering
620.76 LEA/V