Addyman, Frank Thornton · London : Scott, Greenwood & co. · leaf 147
the pumpdepends on the rise in A. From the bottom of B to the top ofA is less than 30 ins., hence the mercury completely fills A andruns over down the fall tube into G. When this happens the tap at C is turned off and is notused again. All the other taps are now attached to the water-pump, and the… … H.Vi v Fig. 40.—Modified Toepler Pump. water-pump in B, which draws the mercury back from A, andat the same time causes a little to run up a. When sufficient AIR-PUMPS. 117 has passed up a, to uncover its end and let in the air, themercury passes up again from B to A and over the fall tube.Thus the…
X-rays
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