Inside Out Library
Notes on X-light (1903)
Rollins, William Herbert, 1852-1929 · Boston : The University Press · leaf 536
Figure 78 NOTE ii2 —FIGURE 79 —SECTION OF MUL-TIPLE SPARK-GAP NOTE ii2 —FIGURE 8o — MULTIPLE SPARK-GAPS APPLIED TO A COIL Plate 43X-rays · Phototherapy
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