Rollins, William Herbert, 1852-1929 · Boston : The University Press · leaf 592
Figure 16 NOTE 137 —FIGURE 15 —DIPPING SECTIONSOF THE SECONDARY OF THE INTERCHANGE-ABLE SECONDARY INDUCTION COIL Plate 71 … NOTE 137 —FIGURE 17 —ELEMENTS OF ONESECTION OF THE SECONDARY WINDINGOF 70-CENTIMETRE COIL HAVING INTER-CHANGEABLE SECTIONS IN THE SECONDARY Plate 72
X-rays · Phototherapy
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