e which figures prominently on the This invention is a gas regulator for controlling the sup- cury in the chamber, D, which drives the mercury through wrong side of the profit and loss account. ply of gas used in steam boilers as fuel. D, in the engrav- The object of the device is to insure the… … winds, become hide-bound. That is, the old bark becomes particulars regarding agencies, rights, etc., address J. K, ing, is a mercury chamber, which is connected with the indurated—cannot expand—and the tree suffers much in Somes & Co., Springfield, Mass. steam room of the boiler by means of the…
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