Rollins, William Herbert, 1852-1929 · Boston : The University Press · leaf 734
rn~: NOTE 179 D —FIGURE 1 —HINGED FARADAYRING FOR ETHER AND ELECTRON THERA-PEUTICS AND FOR EXAMINING MINERALS Plate 141 … NOTE 179 D — FIGURE 2 —DERMA-RAY TUBEIN A PORTABLE NON-RADIABLE HOLDER NOTE 179 D —FIGURE 3 —A FARADAY RINGWITH A HINGE, THE SECONDARY WITH• INTERCHANGEABLE SECTIONS Plate 142
X-rays · Phototherapy
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