Ryder, R. W. creator London Pitman [1952] xi, 108 p. illus. 22 cm. Physical 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). Ryder, R. W. Earthing principles and practice 538.74,RYD 20221202113104.0