000 00368 a2200145 4500
080 _a621
_bM 486
245 1 _aEngineering radiography
_cby Anonymous
260 _aLondon
_c1946
650 _aMechanical Engineering
650 _aEngineering Radiography
440 _aNo. 26
_vMechanical world monographs
100 1 _aAnonymous
_d
300 _a57 p.
901 _a64935
999 _c39613
_d39613