Excerpt from Study of Phasing Transformers
Evolution of the Transformer.
As we wish to write of those discoveries which lei up to the invention of the transformer, we must go back to a time, old as compared with the modern development of electrotechnics. For the startinpoint of our observations we shall take Paraday, who, like Newton in mechanics lei the way in the domain of electricity, and whose name stands in the most intimate relations with all inventions for the mechanical production of the electric current, and therefore with the later development of electrotechnics.
Paraday, 1831.The most important discovery for which we have to thank Faraday is that of induction. This discovery was made by him in the year 1831 and intimated to the philosophical world in a paper read on the 24th November 1831, appearing in the Transactions of the Philosophical Society in the year 1832.
Paraday's first induction apparatus consisted of two coils of wire, the one being slid over the other. As he was passing the current from a battery through one of these, he made the discovery that each time the current of the coil was opened or closed an electromotive force was created in the second coil, which caused a short gush of current or induction current to flow, provide! the circuit of this coil was closed, as might be through a Galvanometer.
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