"Magnetic hysteresis in armature core. Unlike poles are induced in the core opposte the poles of the…
"Distribution of magnetic lines through a ring armature. Since the lines follow the metal of the ring…
"A magnet which owes its magnetic properties to the inductive action of an electric current." -Whitney,…
"Pith ball pendulum or electroscope; the figures illustrate also electrical attraction and repulsion."…
"Around a vertical conductor carrying a heavy current, place a peice of paper and sprinkle iron filling…
"If the conducting wire is bent into the form shown, the lines of force will pas around the wire from…
"The magnetic poles of the earth do notc oincide with its geographical poles and, condequently, in some…
"Kew Instruments arranged in the relative positions recommended by Lloyd so as magnetically to interfere…
A type of magnet whose magnetic field is produced by the flow of electric current. The magnetic field…
An illustration of a rectangle shaped steel magnet with "consequent poles at a and b." -Century, 1889
"The region about a magnet in which its magnetic forces can be detected is called the magnetic field.…
Figure showing magnetic lines of force from a magnet, as well as both north and south poles.
"Oersted's experiements are illustrated...which shows, at A, B, C and D, the four different positions…
"Magnetic field of a solenoid. This is best observed by cutting a piece of cardboard and fitting it…
"A bar of steel which is a magnet, suspended in such a way that it can freely turn to the north or south."…
"Morse magnetic telegraph will be understood by reference to the accompanying diagram, which represents…
"Experiment illustrating the molecular theory of magnetism. Coarse steel filings are placed inside a…
"The machine itself is sufficiently simple, and will be comprehended at once, by those who have made…
"Right hand rule to determine the direction of magnetic field around a conductor carrying a current.…
Device for separating, by means of an electromagnet, magnetic particles in a slurry from the remainder…
"Place a strip of shet iron in the solenoid, as shown...Hotice that most of the lines of force are gathered…
"Method of winding magnet spool so that the two ends of the coil will come to the outside. This method…