000 002670000a22001210004500
080 _a621.01
_bB4
100 _aBevan, Thomas
245 _aThe Theory of machines
250 _a2nd ed.
260 _aLondon
_bLongmans
_c1943
300 _avii, 563p. : ill.
942 _cBK
999 _c52455
_d52455