Elementary treatise on electricity and magnetism
An English physics textbook of 1903, adapted by George Carey Foster and Alfred William Porter from Joubert's French treatise and published by Longmans, Green for university students of electricity and magnetism. The 167 line engravings diagram apparatus — coils, condensers, spark gaps, suspended cylinders — with lettered parts, hatched shading and dashed field lines useful as technical motifs.





































































































































































