Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 602
ionof how much a small magnet can pull. To testthis, I tied the armature to the platform of anordinary weighing-scale for family use. Then Itied a strong cord to the loop of the magnet, putthe cord through a hook screwed to the table,and pulled. When I was not trying to take thephotograph I could… … If one had a series of weights, each not muchover five pounds, what a grand total the littlehorseshoe could lift in a series of repeatedefforts, each effort being at its limit of power! THE WATER-CHESTNUTS New York, N. Y.Dear St. Nicholas : I thought you might be interestedin these curious nuts…
Children's literature
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