21. Kellingley s two main shafts were each almost deep. 22. The hub is connected to the main shaft which turns a multi-stage system of gears. 23. The mine is developing currently the main shaft and in 2013 mass production will be started. 24. By 1916 the main shaft was down 107m. 25. Over 5000 tonnes of lead ore were mined and the main shaft goes down 700 feet. 26. The main shaft was capped by an 85-foot steel tower which controlled a mechanical hoisting cage. 27. Mullock was also spread out between the main shaft and river, covering the Daintree shaft mouth. 28. Both main shafts were damaged by the explosion. 29. They also would attach additional cables to the main shaft that eventually would become new elevators. 30. The main shaft elevators still sit ready for ore cars, permanently locked at the top level.
