y may be ar- ened, screwing up the valve until the escape ceases, and this portance of this subject cannot be overrated, as the columns ranged in combination, as will be explained further on, are must be continued until the steam gage shows 60 pounds. of the SCIENTIFIC AMERICAN, with their sad… … férced up. The tube, A, is thus kept filled until the water HIGH STEAM GAGE. in the boiler gets below its lower end. Its contents then run The high steam alarm, Fig. 1, is inserted in the upper shell death and destruction in all parts of thecountry, fully de- out and steam enters, which, being so…
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