AILWAY SWITCH STAND AND SIGNAL.An improved switch stand, in which the signal isautomatically changed as the switch is moved, hasbeen patented by Mr. Nathaniel W. Boyd, of Steelton,Pa., and is illustrated herewith, as applied to a pointor split switch, a different application of the improve-ment… … BOTDS RAILWAY SWITCH STAND AND SIGNAL. friction roller, upon which slides a rack bar projectingthrough slots in the casing and connected with theswitch bar, which extends under the main rail to theswitch points. The stand is mounted directly upon asingle tie or sleeper, and may be set up on either…
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