of a steam pipe, by Which a number of AN AUTOMATIC GATE FOB ELEVATOBS. and 2, so as to permit an upanddown movement of the persons were killed and injured. Nextyearshe reached A safety gate for the doorways of elevator shafts, de- sliding block without its touching the line shaft. In a New York,… … ill-fortune appeared to attend her, as CALDWELL'S AUTOMATIC GATE FOB ELEVATOBS. during her journey from the Clyde she encountered a gale, during which the elevator moving up and down, is illustrated herewith, tug was obliged to cast her loose, while and has been patented by Mr. John M. Caldwell, of…
Patented · Illustrated · Contained · Gas · Scientific American · American supplement · Alum baking · Natural gas · Years ago · Check row · Express money · Car day · Motive power · Wall paper
Internet Archive · Public domain (published before 1931). Free to use for anything.
