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Scientific American, Vol. 63, No. 23 (1890) (1890)
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ed by Mr. Bernard Tormey. The body of rt pe the implement consists of a flat strip of spring AN IMPROVED ELEVATOR GATE, metal, the upper end of which is looped over a The construction shown in the accompanying illus- handle, while, at a slight distance ftom its tration is designed to provide for… … justed horizontally as desired. To GOLDER’S DEVICE TO OPERATE ELEVATOR GATES. limit the depth of cut of the marker teeth, an adjustable stop-screw is will beso controlled that nothing will be broken if the gate meets an obstruction. FrontStreet, Portland, Oregon. © 1890 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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