attained a popularity The heater shown in the accompanying illustration that is unsurpassed, while their power screw press, is arranged to operate as a warin air furnace, supply- terposed between the nut on the end of each stud more recently introduced, is almost as widely known. ing properly… … bustion chamber, and the products of combustion are HITCHCOCK’S ADJUSTABLE STUFFING BOX. forced to traverse over the entire top and bottom sur- face of each section until they pass into the exit for a slight lateral movement and still maintain a flue, A. tight joint. Further particulars touching…
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