Gregg, J. B. [from old catalog] · Ada, Ohio, The University herald press · leaf 103
Decomposition Apparatus. … Amperes Frame. 2. Amperes Laws.—Use AmperesFrame, and observe the effects producedin each of the following cases: (1.) whenthe current through wires free to moveare parallel and in the same direction;(2.) when they are parallel and in op-posite directions; (3.) when they are an-gular. 3. Bring the…
Physics
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