Hermann Ludwig Ferdinand Von HelmholtzLongmans, Green & Company, 1899 - 299 páginas |
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Términos y frases comunes
action animal appeared Berlin blue body Bois Reymond brain Brücke cause chemical Clerk Maxwell cochlea colour combinational tones compound conception conservation of energy contraction Daniel Bernoulli distance drumhead dynamics electrical empiristic ether experiment explain fermentation fibres fluid force galvanometer geometry give green heat Helmholtz Hermann von Helmholtz holtz horopter important invention investigation Johannes Müller kinetic energy Königsberg lecture Leibnitz lens light Lord Kelvin luminous magnetic mathematical matter mechanical membrane ment method mind motion movements muscle muscular musical nature nerve nervous impulse object observed ophthalmoscope optics paper particles pass phenomena physical physicists physiological pitch ponderable pressure principle problems produced Professor pupil quantity rays recognised refraction resonance retina rotation scientific sensation showed sound stapes stimulated suppose surface theory Thomas Young tion tones transverse velocity vibrations violet vortex vortex rings waves yellow
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Página 199 - That gravity should be innate, inherent and essential to matter, so that one body may act upon another at a distance through a vacuum, without the mediation of any thing else, by and through which their action and force may be conveyed from one to another, is to me so great an absurdity, that I believe no man who has in philosophical matters a competent faculty of thinking, can ever fall into it.
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Página 297 - ... of analysis. . . . It is much more than a mere compilation of abstracts, for, as each section is entrusted to experienced and able contributors, the reader has the advantage of certain critical commentaries and expositions . . . proceeding from writers fully qualified to perform these tasks. . . . It is emphatically a book which should find a place in every medical library, and is in several respects more useful than the famous ' Jahrbiicher
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