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Scientific American, Vol. 57, No. 19 (1887) (1887)

leaf 4

An illustration from Scientific American, Vol. 57, No. 19 (1887), 1887, leaf 4
y in advance of the outer east entire, are placed on each rail of the two tracks to A life preserver which may be quickly applied to the one. The plows are arranged to throw the furrows be connected by the switch, each switch block being person, which will not impede the progress of a swim- toward… … FERTIG’S PORTABLE RAILWAY SWITCH. carrying the plows. MORGAN’S LIFE PRESERVER. In the excavator especially adapted for use in con- mer, and which is designed to support in the water one on the main rail will be easily elevated to the top of the cam rail. = The switch rail sections, which are to who…

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