Gage, Alfred P. (Alfred Payson), 1836-1903, Fessenden, C · Toronto : W.J. Gage · leaf 266
«a kX <^ … v../ X \^.^ ^(Vlont^ome A sivan^-N GULF OF \ M EXICO ^^^ ^^-^-n DIAMAGNETISM. 247 thick ones. Hence, if several thin bars (Fig. 164) are laid sideby side, with their corresponding poles turned in the samedirection, and then screwed together, a ver}- powerful magnetis the result. This is called a…
Physics
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