"Roentgen" induction coils and other X-ray apparatus (1904)
James G. Biddle Company · Philadelphia : James G. Biddle · leaf 35
rgently de-sired by the medical profession. This comparison of results will bepossible if every X-Ray man uses a Roentgen Ammeter. We think that every X-Ray man shouldEvery X-Ray Man . „ . ., . have a Roentgen Ammeter. It is new itShould Have One. . , .,, , ., , , , ., is true, but it s undoubted… … FlGURK 16 Direct Current Motor-Generators. THE Motor-Generator above shown is designed to transform theno, 220 or 500 volts direct current down to 20 volts directcurrent, which latter current is the one supplied directly to the in-duction coil. When the comparatively low voltage sup-Little Inverse…
X-rays · Induction coils · Radiography
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