Inside Out Library

I.C.S. reference library : a series of textbooks prepared for the students of the International Correspondence Schools and containing in permanent form the instruction papers examination questions, and keys used in their various courses (1904)

International Correspondence Schools · Scranton : International Textbook Co. · leaf 397

An illustration from I.C.S. reference library : a series of textbooks prepared for the students of the International Correspondence Schools and containing in permanent form the instruction papers examination questions, and keys used in their various courses, 1904, leaf 397
oinciding with the direction of the lines of force in thatpart of the magnetic field. Note.—In all diagrams, the direction of the lines of force will berepresented by arrowheads upon dotted lines. 18 ELEMENTvS OF §S Lines of force can never intersect one another; when twoopposing magnetic fields…

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