Magnetism,
No. llin **E£.191.6 Babbage, Charles, and Sir John Fredrick William Herschel, bart.
Account of the repetition of M, Arago's experi= ments on the magnetism manifested by various substances during the act of rotation,
Lond. 1825. 30 pp. 4°. From the Philosophical trans. of the Royal soc. of Lond, 1825 ([**#£,172.1, 1825. Pt. 2].