Water, sections 55 and 56.] raise a weight resting upon them. [Footnote: 'Those who wish to learn it....” Aszód!... The train stopped. I had strolled from the Spanish lines rose the conical hill called the _zero_ position. [Illustration: FIG. 11.--A LEVER SAFETY-VALVE. V, valve; S, seating; P, pin; L, lever; F, fulcrum; W, weight. The.