. Scientific American Volume 25 Number 21 (November 1871). whether the bellwas ringing at the time or not. The application of this im-provement would settle all doubts prising from such conflictof testimony, and thus benefit companies, while the certaintyof the alarm would prevent accidents arising from neglect. Fig. 1 is a perspective view of a locomotive with the alarmattached. Fig. 2 is a diagram showing the details of con-struction. eccentric communicate a rooking motion to the lever, H, bymeans of the connecting rod. The upper end of this leverengages with a notch on the lower side of the
. Scientific American Volume 25 Number 21 (November 1871). whether the bellwas ringing at the time or not. The application of this im-provement would settle all doubts prising from such conflictof testimony, and thus benefit companies, while the certaintyof the alarm would prevent accidents arising from neglect. Fig. 1 is a perspective view of a locomotive with the alarmattached. Fig. 2 is a diagram showing the details of con-struction. eccentric communicate a rooking motion to the lever, H, bymeans of the connecting rod. The upper end of this leverengages with a notch on the lower side of the lever, E, there-by withdrawing the hammer head from the side of the bell,and compressing the spring, F. The lever, E, being thuswithdrawn, is slightly elevated, in the shorter guide, by thelever, H, and the latter is disengaged from the notch in thelever, E, which is instantly forced down by the spring, G,when the recoil of the spring, F, throws the hammer violent-ly forward against the bell. A constant and positive action is thus secured ; the appara-. Fiq. 2
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectiron, booksubjectnitr