impede the progress of a swim- toward each other, forconvenient removal of the earth formed with a wide guarded cam rail adapted to rest by the excavator, and they are held at the desired upon the head of the main rail, and with approaches angle with the bars on which the plow beain is pivoted… … and pass thence out to the outer ends of the arms Z 9 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…
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