Elementary lessons in electricity and magnetism (1906)
Thompson, Silvanus P. (Silvanus Phillips), 1851-1916, Schwetzky, Otto H. L. [from old catalog] · Chicago, Thompson & Thomas · leaf 449
- of still water that a spring (seeFig- 173) will allow it tomove up and down withthe slightest wave, it isevident that we can adjustthe strokes on the otherside of the water so as tocorrespond or harmonisewith the resiliency of theapparatus, which is deter- … Figr. 173. mined by the power of the spring and the weightof the piece of wood. This rate, by the way, isalways the same for each apparatus; that is to say,whether the wood oscillates slowly through a smallspace or rapidly through a greater space, the numberof oscillations in a given time remains…
Electricity · Magnetism
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