pipes. The brine being admitted to tion down, the rock is drilled without any pipe casing, after having absorbed the steam from the vacuum except through such portions as are liable to cave. pan, passes down through the water pipe, the foot of the grainers, the steam is turned on, the liquor Salt… … from a well by air than so dense that it can no could be raised by the longer hold the salt in so- old method: The accom- lution. Fine crystal grains panying diagrams and photographs represent the salt are formed, as the liquid circulates through the large tion takes place. To assist the…
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