New York [etc.] Simmons-Boardman Pub. Co. [etc.] · leaf 321
ducing valve whose action depends upon springs, canbe so construe ted that it will shut off the steam if oneor all the springs break. Our readers will remember that last month we gaveseveral illustrations of defective steam hose, the char-acteristic feature being a sponging out inwardly ofthe… … very careful in their selection. Tt is said to be madeof the purest gum, and is the most expensive hose onthe market. Although it docs not apparentlyfail in service, it is evident that it has a very seriousdefect—that of swelling inwardly. It will be seenthat while the hose illustrated last month…
Railroads · Railroad cars
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