Small, Sidney Aylmer, 1876- [from old catalog] · Chicago, F. J. Drake & co · leaf 182
eaning the surfaceat the end of the core, or the piece of iron which is screwed,bolted or even cast on the core to make the actual pole largeithan the core. LIFTING POWER 183 There are some very curious things about liftingpower. It depends upon the shape of the magnet, andthe actual quantity of… … Fig. 97. Horse-shoe Magnet Arranged for Test of Lifting Power.
Electricity
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
