000 003510000a22001570004500
245 _aHow it is made
100 _aHawks, Ellison
260 _aLondon
_bOdhams Press
_c1946
300 _a384 p.
080 _a62
_bH3
650 _aENGINEERING
650 _aENGINEERING RESEARCH-EXPERIMENTS
650 _aTECHNOLOGY
041 _aEN
942 _cBK
999 _c58700
_d58700