Allen, Charles Ricketson, 1862- [from old catalog] · New York, H. Holt and company · leaf 18
magnet is freeto move in a horizontal plane. Manipulation.—Set the suspended magnet to swinginggently. Note if it tends to come to rest in any particulardirection, and if so in what direction. . If there is anydoubt, after the magnet has come to rest displace it slightlyand see if it shows any… … 6 MAGNETISM. Definitions.—If something happens to one substancewhen another substance is brought near it, the second issaid to act on the first. If the action is mutual, eitherbody may be said to act and the other would then be saidto react. Does a magnet act on a piece of iron ? Is thereany…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten10unit-21-38.webp)
