00330    a2200121   4500020001500000082001300015100002000028245003200048250000900080260006400089300002300153650003200176  a0852968337  a537bWHI  aWhitfield, John  aElectrical craft principles  a4th   aLondonbThe Institution of electrical engineersc1995g1995  axvii, 409p.c24cm.  aELECTRICITY AND ELECTRONICS