'Elisha Otis' son Charles improved on the device that slowed a speeding this, whether or not the rope broke'
an elevator
LEFT TO YOUR OWN DEVICES: Elisha Otis' son Charles improved on the device that slowed a speeding this, whether or not the rope broke
Elisha Otis' son Charles improved on the device that slowed a speeding this, whether or not the rope broke
Elisha Otis' son Charles improved on the device that slowed a speeding this, whether or not the rope broke
LEFT TO YOUR OWN DEVICES
an elevator
LEFT TO YOUR OWN DEVICES