Pit-top car circuit is installed in heapstead measuring 85 ft long by 30 ft wide and employs twin track turntables; when cage is proved "in-line" at surface, empty car is propelled forward by pneumatic rams and full car is expelled from cage.
Car handling at Savil Colliery
Colliery Guardian
Colliery Guardian ; 199 , n 5139
1959
6 pages
Aufsatz (Zeitschrift)
Englisch
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