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... Any one that can buy a ton or two of coal, or get it from hand to mouth—no hard thing where coals are more plentiful than blackberries—can set to work and turn it into oil by sticking up a few bricks and a retort with a pipe. That gives the tar or petroleum ...
... Any one that can buy a ton or two of coal, or get it from hand to mouth—no hard thing where coals are more plentiful than blackberries—can set to work and turn it into oil by sticking up a few bricks and a retort with a pipe. That gives the tar or petroleum ...