Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 169
ring ? Or suppose from some disar-rangment of the safety valve it becomes inoperative, and an unusual pressure accumu-lates in the boiler. What then ? Such contingencies are liable to arise, and every boilershould be so constructed as to have ample margin for such contingencies. The followingfigure… … 1882.] THE LOCOMOTIVE. 163 In some cities where inspection laws are in operation, the rule applied for ascertain-ing the resistance of cylindrical furnace sheets to collapsing is the same as that usedfor cylindrical flues—Fairbairns Rule—and boilers made for such markets could not beapproved…
Locomotives · Steam-boiler explosions
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