mpede the progress of a swini- toward each other, for convenient 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 beam is pivoted… … 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…
Patented · Apparatus · Patents · Contained · Plow · Scientific American · Munn · Switch block · Sheet metal · Address munn · Coupling pin · India rubber · American supplement · Express money · Horse power · War ship
Internet Archive · Public domain (published before 1931). Free to use for anything.
