Excerpt from A System of Electrotherapeutics: Physics of Roentgen Rays, Skiagraphy, Practical Applications of Roentgen Rays, Physics of Light and Cautery
The Roentgen rays, which proceed from a vacuum tube, are in reality the final transformation of electric energy, derived from any suitable source. First, then, we require means for con verting mechanical or chemical energy into electric energy or an opportunity for receiving such energy already at hand.
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PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Artikel-Nr. LW-9780282780555
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