A natural philosophy : embracing the most recent discoveries in the various branches of physics, and exhibiting the application of scientific principles in everyday life .. (1899)
Quackenbos, G. P. (George Payn), 1826-1881 · New York, Cincinnati [etc.], American book company · leaf 362
wire, Z, C, are connected with a powerfulbattery. A soft iron keeper, P N, connectsthe poles, having a hook beneath, to whichweights may be attached. So strongly isthis keeper attracted that an enormousforce is required to separate it. An elec-tro-magnet prepared as above has sup-ported over 4,000…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-479-300.webp)