Rollins, William Herbert, 1852-1929 · Boston : The University Press · leaf 638
NOTE 141 —FIGURE 18 — ARRANGEMENT OFAN INTERCHANGEABLE SECONDARY IN-DUCTION COIL WITH ONLY A FEW OF THESECONDARY SECTIONS IN USE, DIMINISH-ING THE POTENTIAL Plate 94 … NOTE 143—FIGURE i-NON-RADIABLEX-LIGHT TUBE BOX WITH A CENTRING.DIAPHRAGM PLATE HAVING AN ADJUST-ABLE RECTANGULAR OPENING, AN ORI-ENTER, A TESLA SCREEN, AND AN AUTO-MATIC SHUTTER Plate 95
X-rays · Phototherapy
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