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Natural philosophy. including statics, hydrostatics, pneumatics, dynamics, hydrodynamics, the general theory of undulations, the science of sound, the mechanical theory of music, etc. : designed for the use of normal and grammar schools, and the higher classes in common schools (1861)

Sangster, John Herbert, 1831-1904 · Montreal : J. Lovell · leaf 162

An illustration from Natural philosophy. including statics, hydrostatics, pneumatics, dynamics, hydrodynamics, the general theory of undulations, the science of sound, the mechanical theory of music, etc. : designed for the use of normal and grammar schools, and the higher classes in common schools, 1861, leaf 162
re generally very symmetrical. Several hundredhave been figured. The accompanying illustration repre-sents a few of those obtained on square and circularplates. The plates are supposed to be fastened in a vice at the pointa, and the violin-bow drawn over the edge at the point h. Infigure III the… … -• 361. The vibrations of elastic plates are performed ac-cording to the following laws :—I. The number of vibrations is independent of the breadth of the plate.II. The number of vibrations is proportional to the thick-ness of the plate.III. The thickness being the same^ the number of vibra-tions…

Physics

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