Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 87
nd damaged a 4,000 kw. machine ex-tensively. Examined after the accident, the disc was found cracked ateight other points around the rim. Evidently these cracks were of theprogressive kind, for less than a quarter of the fracture had the appear- 74 THE LOCOMOTIVE July, ance of a fresh break. This… … it under load again, had brought it up to speed and were testing theemergency device. Observers saw the emergency valve trip the instantthe admission valve was raised. Simultaneously, however, there was acommotion inside the casing, accompanied by such severe vibrationthat the expansion joint in…
Locomotives · Steam-boiler explosions
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