of a steam pipe, by which a number of AN AUTOMATIC GATE FOR ELEVATORS. and 2, so as to permit anupand down movement of the persons were killed and injured. Next yearshe reached A safety gate for the doorways of elevator shafts, de- sliding block without its touching the line shaft. Ina New York,… … ill-fortune appeared to attend her, as CALDWELL’S AUTOMATIC GATE FOR ELEVATORS. 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…
Internet Archive · Public domain (published before 1931). Free to use for anything.
