Y = ane. \ \ Y if VOLUME VIIL.] [NUMBER 31. … steam connections, @’ and e’. The dotted line likewise the bell and whistle pins. until the supply-valve, +, is wide open, when, ‘The above are engravings of the ‘Hydrostat? across the float, #, shows the water-level, if the water still ‘continues to fall, the cam, e, for the prevention of steam…
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