00998    a2200181   4500003000500000005001700005040000900022082001500031100002500046245005500071260002800126300003000154505041900184650004600603942002400649999001900673952012400692Nust20221202113104.0  cNust  a538.74,RYD  a Ryder, R. W.941454  aEarthing principles and practice / c Ryder, R. W.  aLondon,bPitmanc[1952]  axi, 108 p.billus. 22 cm.  aPhysical Characteristic of the Earth (Page-5), The Resistance of Electrodes to Earth (Page-12), High Voltage Earthling (Page-23), Lightning Protection (Page-36), The Human Elements (Page-41), Consumer’s Earthling (Page-45), Earth Projection on Low Voltage Networks (Page-60), Measurement of Earth Resistance (Page-68), Current-Carrying Capacity of Earth Electro modes (Page-77), Special Effects (Page-83).         aEarthing principles and practice.9103995  2ddccBKk538.74,RYD  c184468d184468  00102ddc4070aMCSbMCScGENd2016-12-12o538.748,RYDpMCS5874r2016-12-08w2016-12-12yBKzAlmirah No.16, Shelf No.6