000 002560000a22001210004500
245 _aGear design
100 _aTuplin, W.A.
260 _aLondon
_bMachinery Publishings
_c1962
300 _a333 p.
080 _a621.833
_bT8
041 _aEN
942 _cBK
999 _c95093
_d95093