000			00315nam a2200133Ia 4500
008			140317s9999 xx 000 0 und d
082			_a621.38
100			_aBeckwith,T.G.
245			_aMechanical measurements.
260			_aLondon _bAddision W. _c1973
300			_a642
653			_aMeasurements
942			_2ddc _cBK
999			_c6349 _d6349