H.T.Davidge Davidge, H.T. creator University Tutorial Press Ltd London 1936 533 p Dynamical Definitions and Units (Page-1) General Principles of Electrostatics (Page-12) Electrostatic Units and Theory (Page-25) Condensers and Capacitance (Page-34) General Principles of Magnetism (Page-48) Magnetic Units and Theory (Page-63) Simple Magnetic Measurements (Page-79) Measurement of Resistance (Page-125) Secondary Cells or Accumulators (Page-176) D.C. Generators (Page-248) D.C. Motors (Page-295) Electricity 621.3 20170207154213.0