Demonstrates how electricity can be produced from magnets through various experiments. It explains that electric currents can create magnetic effects, forming electromagnets that only work while ...

Historically, prior to 1820, electricity and magnetism were thought to be separate entities of nature. On April 21, 1820, ...

vol. I. Preliminary: On the measurement of quantities. pt. I. Electrostatics. pt. II. Electrokinematics -- vol. II, pt. III. Magnetism. pt. IV. Electromagnetism siris ...

"London, Macmillan and Co., publishers to the University of Oxford"--Verso of half title. Errata in variants: either printed leaf (in v. 1 & 2) or a slip (in v. 1) tipped-in before p. [1].