A horse-drawn 50ft wheeled escape ladder. These could be very quickly slipped by the crew and extended up to a window. Their sole purpose was rescue, and these units, one of which was based at each fire station, carried no firefighing equipment. There were no warning devices to help them through London?s traffic ? the crew would should ?Hi! Hi! Hi!? to clear the way. The driver has his right hand on the brake lever and would operate this during the exciting dash to the fire.