Collins, A. Frederick (Archie Frederick), 1869- · New York, London, D. Appleton and company · leaf 97
ole as well. By mag-netic we mean that the Earth be-haves like a steel bar that has beenmagnetized.A steel bar magnet like that shown in Fig. 85 is strongestat its ends. One end is positively magnetized, and we call thisend its north pole, and the other end is negatively magnetized,and we call this… … Fig. 85.—Lines op Forcethrough and around aMagnet. MOTHER EARTH, OLD ADAMS PLANET 77 forming a magnetic circuit,just as two wires joined to-gether may form an electriccircuit. If we place a compassneedle near the steel barmagnet the needle will turnin the same direction as themagnetic lines of…
Astronomy · Stars
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