Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 460
mena will occur if instead of moving themagnet, we hold it stationary and move the coil, or ifboth of them be moved towards or from each other.The deflection of the compass needle indicates that acurrent of electricity is passing along the wire, and theexperiments above described show exactly how… … current in turn is the result of this electromotive forceacting in a closed circuit. A bar of iron becomes anelectromagnet if we wind about it a few turns of wireand cause a current of electricity to flow along thewire, Fig. 16. The magnetism is conceived to consistof lines of force, which leave…
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-144-59.webp)
