000			00387nam a22001337a 4500
082			_a621.3746 _bPER _cL-11, P-4
100			_aPerrigo, A.E.B _941695
245			_aElectricity supply meters _bPerrigo, A.E.B
260			_aLondon _bChapman & Hall Ltd _c1947
300			_avii,356 o. : _bill, ; _c20 cm.
526			_a0 _b0 _c0 _d621_374600000000000_PER
650			_aMCE _9379
942			_2ddc _cBK
999			_c545738 _d545738