Rollins, William Herbert, 1852-1929 · Boston : The University Press · leaf 702
NOTE 169 —FIGURE 1—A SHUTTER FOR ANX-LIGHT TUBE BOX, OPEN Plate 124 1c 1 ■? -JyJ 4u C* / i ?/>** ./jp / sf-^ J? a 1 1.1I i L^fl^f I 111 1 1 K?P^ v - ^t s 1 i f * T\k ,p j ■nl jif -J >^. r W IH St- NOTE 169 —FIGURE 2 —A SHUTTER FOR ANX-LIGHT TUBE BOX, CLOSED Plate 125 … NOTE 169 —FIGURE 3 —BACK OF A SHUTTERFOR AN X-LIGHT TUBE BOX NOTE 169 —FIGURE 4 —A SPIRAL SPRING FORMOVING AN X-LIGHT TUBE-BOX SHUTTER Plate 126
X-rays · Phototherapy
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