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may be forced back so as to permit the cleans- ing thereof and for the purpose of providing an easy method of removing and replacing the parts. This cushion also operates to hold 5 the nose 7 firmly against the discharge end of the nozzle, causing it to fit perfectly there- with and form a steam tight joint. What I claim is: 1. A burner including a' nozzle having a 10 tapering free end, a fuel pipe formed of tele- scoplug sections, extending therethrough, one of said sections being fixed and the other connected to the fixed section by means of a slip joint, a resilient cushion upon which 15 the movable section rests, an enlarged an- nular conical shaped nose carried by the free end of the movable section and fitting closely against the tapering end of the nozzle and being provided with peripheral spiraled 20 grooves.
2. A burner including a nozzle having a tapering free end, a fuel pipe formed of telescoping sections, extending therethrough, one of said sections being fixed and the other being movable and connected to the fixed 25 section by. means of a slip joint, a resilient cushion upon which the movable section rests and an enlarged nose carried by the free end of the movable section and fitting within the tapering end of the nozzle and 30 provided with peripheral spiraled grooves for imparting a spiraled motion to the fluid discharged from said nozzle. In testimony whereof I have signed my name to this specification in the presence of 35 two subscribing witnesses. JOHN NICHOLSON. Witnesses: A. C. SPRINGFIELD, F. A. LIDDELL.