Figure 1 is a side elevation Figure 2 is a vertical section on the line x of Figure 3 Figure 3 is a horizontal section on the line y of figure 2 and 4
shows wire-gauze diaphragms (called "interceptors") e
Figure 4 is a vertical section on the line z of figure 2 and 3
shows exhaust-valve M and valve h
A is the cylinder B piston C barrel of the air pump D piston E rod (common to piston B and D) F a chamber/reservoir with two inlets (c and d) G reservoir H recess or chamber (formed by the bottom of cylinder B) I screw valve J revolving-cam K lever L exhaust-port M (Fig. 1) balance-wheel M (Fig. 3) exhaust-valve X line Y line Z line
a induction valve b eduction-valve c atmospheric air inlet to chamber F d illuminating gas inlet to chamber F e wire-gauze diaphragms (called "interceptors") f conducting-passage h valve k valve-rod j spring m V-shaped channel
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The original patent contains no such notice, so its contents are in the public domain.
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2. April 1872Gregorianisch
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