Electricians' operating and testing manual; a hand book for men in charge of electrical apparatus, repair men, trouble men, lamp trimmers, and electricians generally (1916)
Horstmann, Henry Charles, Tousley, Victor Hugo, 1875- joint author · Chicago, F.J. Drake & co · leaf 25
e-shoe magnet shown in Fig-lUe 5. If we take a magnet of this kind and sprinklea lot of iron filings or small tacks about the ends theywill be attracted and form around it in the mannershown. If the magnet is weak it will be necessary toassist the formation somewhat by gently placing thetacks where… … Fiofure 4 o more tacks in one place some of the others will falloff. If we now take the armature A and place itacross the pole of the magnet, say at 0. by far thegreater part of the tacks will fall off. The reason forthis is that the magnetic flow or flux, as it is usuallytermed, follows along the…
Electrical engineering · Electric testing
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