pit props

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• pit prop — ˈpit prop [pit prop pit props] noun a large piece of wood used to support the roof of part of a coal mine from which coal has been removed …   Useful english dictionary

• Pit prop — A pit prop or mine prop (British and American usage, respectively) is a length of lumber used to prop up the roofs of tunnels in coal mines. Canada traditionally supplied pit props to the British market. As coal mining declined in importance and… …   Wikipedia

• pit prop — noun A wooden beam used as a support within a mine shaft or tunnel. ,1915: Whereas Germany at the outbreak of war was the greatest purchaser of Swedish iron ore, Great Britain was by far the greatest buyer of Swedish wood products. German… …   Wiktionary

• Big Pit National Coal Museum — Coordinates: 51°46′21″N 3°06′18″W / 51.7724°N 3.1050°W / 51.7724; 3.1050 …   Wikipedia

• The Pit and the Pendulum (1961 film) — Infobox Film name = The Pit and the Pendulum image size = caption = Original 1961 theatrical release poster by Reynold Brown director = Roger Corman producer = Roger Corman James H. Nicholson (Exec Prod) Samuel Z. Arkoff (Exec Prod) writer =… …   Wikipedia

• John Osborn Williams — (28 March 1886 6 July 1963) was born at 46 George Street, Cardiff, Wales, his parents’ home, the youngest son of Silas and Mary Williams. He was one of eight children and known as “Jack” within the family. He was to become the owner of the… …   Wikipedia

• East Kent Light Railway — The East Kent Light Railway was part of the Colonel Stephens group of cheaply built rural light railways in England. Holman Fred Stephens was engineer from its inception, subsequently becoming director and manager. The line ran from Shepherdswell …   Wikipedia

• Deep Navigation Colliery — The entrance to the former Deep Navigation Colliery, Treharris, in July 1984 Deep Navigation Colliery was a coal mine in South Wales, that operated from 1872 until 1991. Located next to the co developed village of Treharris in the borough of …   Wikipedia

• SS Soesterberg — The SS Soesterberg was a Dutch steam merchant ship that saw service during the Second World War. She sailed with several convoys, before joining the ill fated convoy SC 7. Whilst sailing as part of this convoy she was torpedoed and sunk by a… …   Wikipedia

• History of coal mining — Due to its abundance, coal has been mined in various parts of the world throughout history and continues to be an important economic activity today. Compared to wood fuels, coal yields a higher amount of energy per mass and could be obtained in… …   Wikipedia

• Miramichi Valley — The abandoned Canada Eastern Railway bridge over the Southwest Miramichi River at Doaktown …   Wikipedia