arrows, Without entering into the details of their method of gradu- valve between it and the large tank. The object is to keepa as passing through the ports, G, then through the ports in ating the scales of such gages, we will simply say that they small supply of air at the initial pressure, so… … A public exhibition of the kind what below that at which the made recently affords but little steam will blow off, gives warn- opportunity for applying any se- ing to the engineer in charge and whistle or gong. H is the brass box for holding the ther- vere tests, or of making any conclusive…
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