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relation to the pan, the said trough having a longitudinal shallow recess in its top, a feed pipe extending from one side of the trough and provided in its upper side near 5 its lower end with an opening forming a communication between its bore and the re- cess in the top of the trough, the said trough, supports and feed pipe being formed of one piece, and a fuel pipe entering the outer end 10 of the said pipe and of less diameter than
the same, whereby an air space is provided between the two pipes. In testimony, that I claim the foregoing as my own, I have hereto affixed my signa- ture in the presence of two witnesses. CHARLES SHAEFFER. Witnesses: T. N. WHITE, D. C. ROLLINS.