Addyman, Frank Thornton · London : Scott, Greenwood & co. · leaf 144
sealed on theopen end, E, will become a partial torricellian vacuum. When the mercury in the bulb, F, has fallen below the level AIK-PUMPS. 113 of the junction, B, the cistern is again slowly raised, and theinflowing mercury will first form a valve at C, stopping theway into the X ray tube, then… … El
X-rays
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