which letters patent have been obtained by H. M. As the stream will not in dry weather give nearly so much The gas is used in all kinds of furnaces for making steam, Wheeler, M.D., of Grand Forks, D. T. It is so made as to as this, a reservoir, in the shape of a small lake of about an iron, glass,… … side or central draught and giving the tact with the whole heating surface of WHEELEE'S IMPROVED THILL COUPLING. proper position for the pole when both the boiler. The value of the gas, as com- springs are in use. Thills or pole to be pared by evaporation tests with coal at inserted are placed in a…
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