Joseph, Alfred · New York : First Institute of Podiatry · leaf 402
in the oppositedirection. Plence, if the alternating current is used as aprimary source of electric energy, then the secondary orhigh potential impulses will also be changing their directionalternately. Two methods are used in employing the alter-nating current as a primary source of energy. The… … INTERUPTERLESS TYPE GENERATOR 390 PODIATRY tial impulses which flow in alternate directions, and to thenredirect these impulses so that all of those passing throughthe tube are in the one and the same direction. Accordingly, X-ray apparatus can be divided into thethree classes previously mentioned.…
Podiatry · X-rays
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