icycles. It would be in which is a spring having secured to its lower end a The accompanying illustration represents a strongly head-block with beveled sides and a central notch, the a palpable contradiction to affirm that footmen have constructed house for a switchman, erected adjacent head-block… … cables were to give MoCABTHT'S LOCK-HOUSE FOB SWITCH-STANDS.) way, the brakes to the switch for a siding, to operate which the oper- would work properly and support the lift. ator has to enter the house, and cannot again leave it Two carpenters arm- till the switching rails have been returned to…
Locomotive · Device · Torpedo · Apparatus · Scientific American · Munn · War ship · Sewing machine · Torpedo boat · Natural gas · Electric light · Blow pipe · Screw cutting · American supplement · Mississippi river
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