Rollins, William Herbert, 1852-1929 · Boston : The University Press · leaf 582
NOTE 137 —FIGURE 9 —A MACHINE FOR WIND-ING THE SECONDARY COILS OF AN INTER-CHANGEABLE SECONDARY INDUCTION COIL Plate 66 … NOTE 137 —FIGURES 10 AND 14 —A METALFORM WITH A FRESHLY WOUND COILSHOWING THE METHOD OF TYING ONEOF THE SECONDARY COILS OF THE SEC-ONDARY OF AN INDUCTION COIL HAVINGINTERCHANGEABLE SECONDARY SECTIONS Plate 67
X-rays · Phototherapy
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