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Oil Retort<br> Villages in Somerset picture - The brick built oil retort house is believed to be the first building to be erected for the conversion of shale to oil. The enterprise never really got off the ground as the process was found to be too costly to make it profitable.
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The brick built oil retort house is believed to be the first building to be erected for the conversion of shale to oil. The enterprise never really got off the ground as the process was found to be too costly to make it profitable.
Western Europe
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image -- 3200 x 2400)