When the platform is lowered the reverse takes place and the step is drawn up to folded position beneath the lowest fixed step. In this way the supplementary step is operated without requiring attention of the train man or causing him any more labor than the usual task of operating the platform. FOLDING STEP FOR VESTIBULE CARS. 1903 SCIENTIFIC AMERICAN INC, 1903-10-03
When the platform is lowered the reverse takes place and the step is drawn up to folded position beneath the lowest fixed step. In this way the supplementary step is operated without requiring attention of the train man or causing him any more labor than the usual task of operating the platform. FOLDING STEP FOR VESTIBULE CARS. 1903 SCIENTIFIC AMERICAN INC, 1903-10-03
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