Researches in electricity
Brian Bowers · Institution of Engineering and Technology eBooks · 2001
When an electrical engineer today speaks of generating electricity, his mind conjures up a picture of rotating machinery with coils and magnets. The idea that most electricity comes from such generators is so ingrained that it is difficult to appreciate that, before the appearance of the self-excited dynamo in 1867, it was by no means certain that magneto-electric induction was destined to provide most of the world's electric current.