2003 Ford Explorer in Portland OR
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(2 diggs) Shale Oil Extraction
History
Main article: History of the oil shale industry
A.C. Kirks retort, used in the mid-to-late 19th century, was one of the first vertical oil shale retorts.
A number of shale oil extraction technologies have evolved over a period of time. In the 10th century, a method of extracting oil from some kind of bituminous shale was described by the Arabian physician Masawaih al-Mardini (Mesue the Younger). The first shale oil extraction patent was granted by the British Crown in 1694 to three...
HistoryMain article: History of the oil shale industry
A.C. Kirks retort, used in the mid-to-late 19th century, was one of the first vertical oil shale retorts.
A number of shale oil extraction technologies have evolved over a period of time. In the 10th century, a method of extracting oil from some kind of bituminous shale was described by the Arabian physician Masawaih al-Mardini (Mesue the Younger). The first shale oil extraction patent was granted by the British Crown in 1694 to three...
(1 diggs) AgustaWestland AW101
AgustaWestland AW101
Development
In Spring 1977, the UK Ministry of Defence issued a requirement for an anti-submarine warfare (ASW) helicopter to replace the Royal Navys Westland Sea Kings. Westland responded with a design designated the WG.34 that was then approved for development. Meanwhile, the Marina Militare (Italian Navy) was also seeking a replacement for its (Agusta-built) Sea Kings, leading Agusta to discussions with Westland about the possibility of a joint development....
AgustaWestland AW101Development
In Spring 1977, the UK Ministry of Defence issued a requirement for an anti-submarine warfare (ASW) helicopter to replace the Royal Navys Westland Sea Kings. Westland responded with a design designated the WG.34 that was then approved for development. Meanwhile, the Marina Militare (Italian Navy) was also seeking a replacement for its (Agusta-built) Sea Kings, leading Agusta to discussions with Westland about the possibility of a joint development....