The Locomotive . re properly beaded at the ends, and the heads were braced with ten 1907.] T H E L OCOMOTIVE. 133 braces to each head, eight of these being through braces, running from oneend of the boiler to the other. The feed water was good, and was introducedthrough the front head in accordance with the approved method of the HartfordSteam Boiler Inspection and Insurance Company; the boiler being providedboth with a feed pump and with an injector, either of which was alone com-petent to feed the boilers satisfactorily. The fusible plug still contained some ofits original tilling of tin, ev
The Locomotive . re properly beaded at the ends, and the heads were braced with ten 1907.] T H E L OCOMOTIVE. 133 braces to each head, eight of these being through braces, running from oneend of the boiler to the other. The feed water was good, and was introducedthrough the front head in accordance with the approved method of the HartfordSteam Boiler Inspection and Insurance Company; the boiler being providedboth with a feed pump and with an injector, either of which was alone com-petent to feed the boilers satisfactorily. The fusible plug still contained some ofits original tilling of tin, even after passing through the fire; and this fact showsthat the explosion could not have been clue to low water. Indeed, its very violencewould be sufficient to show that fact, for, as we have repeatedly explained in TheLocomotive, a low-water explosion is likely to be far less destructive than onein which the boiler contains plenty of water. Some of the newspapers reported the boiler to be an old one, but this is. Fig. 5. — Showing the Tubes of the Exploded Boiler. altogether untrue. It was built in 1895, at the Cunningham Iron Works, SouthBoston, Mass., and on November 26th of that year it was tested by one ofour inspectors, in the shops of the builders, by the application of a hydrostaticpressure of 150 pounds. It has been regularly inspected by us from that datedown to the present time, without the discovery of any defect which, in thejudgment of the inspector, affected its safety in any way. The last complete internal inspection of the exploded boiler was made onMay 6, 1906, at which time (as the inspectors written report, submitted to theHarney Company at the time, states), the riveted joints showed no leakage. Atthis time the steam gage was tested by comparison with a standard gage, andwas adjusted so as to conform with the standard gage, which was known tobe accurate. The last external inspection of the boiler, made (as is usual) with 134 THE LOCOMOTIVE. [January, the
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