370 resultados para Automobiles -- Equipement and supplies
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The young man is stimulating motor points (source: Physiology at Michigan, 1850-1923 by Horace W. Davenport)
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Daybook, image #40
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Apparatus for nerve muscle experiment. The machine on the right gives shocks at the desired frequency (source: Physiology at Michigan, 1850-1923 by Horace W. Davenport)
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National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.
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National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.
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National Highway Traffic Safety Administration, Office of Research and Development, Washington D.C.