Rollins, William Herbert, 1852-1929 · Boston : The University Press · leaf 718
the tube OT joins the pump. AV,automatic valve. IS, stopcock with mercury seal MS oninlet of the pump. PC, pump chamber. FT, fall tube con-necting the pump chamber with the mercury reservoirMR through the rubber tube RT. AB, air bag on mer-cury reservoir. DB 2, drying bulb. R, rope… … NOTE 173 —FIGURE 3 —APPARATUS FOR EX-HAUSTING AND TUNING X-LIGHT .TUBES Side view of tube oven, TO, and pump warm closet, PHC,with sides partly removed to show the interiors. B and LB,burners for heating. PC, pump chamber. PO, pump out-let. MC, mercury cistern on pump outlet to which it isconnected…
X-rays · Phototherapy
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