Inside Out Library
Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1903)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 209
*• Fromenfs Equalizer, with Stanhope Lever. 2. Stump- Magnet. 4. Iron Clad Magnet … 8. Called a -Paradox.The rounded end hasgreatest tractive power. 12, Varley Duplex Magnet. ! , , ■;: - $P^Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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