Rollins, William Herbert, 1852-1929 · Boston : The University Press · leaf 520
NOTE 80 —FIGURE 68 —DETAILS OF AN ELEC-TROLYTIC REGULATOR FOR INTRODUCINGHYDROGEN INTO AN X-LIGHT TUBE NOTE 84 —FIGURE 69 —AN X-LIGHT TUBEMADE FROM A BULB MOULDED IN A GLASSMANUFACTORY Plate 35 ff\ … 1 r 00VO u30/> ♦ 1-H
X-rays · Phototherapy
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