10''' Sans Rival chimney for 10''' Kosmos Lamps. 1.54'' slip fit base. Kosmos burners require a very tight pinch (0.79") inside diameter to burn perfectly clean and without any aroma, these chimneys are made to my exact specifications. Also fits some "0" center draft lamps without flame spreader, useful for lamps with a very tall domed shade.
The genesis of the Sans Rival chimney (sometimes referred to as "Phenomen") appears to have been the work of Mr. P. Bayle; his experimental work on chimney combustion principles influenced many subsequent chimney designs as his work was published in the Scientific American Supplement No. 458 on October 11, 1884.
Original Sans Rival Chimney was made in Germany. "There where several firms that imported “Sans Rival” chimneys into Norway from Germany: Peter M Kolderup (est 1854) and Johan Tomsen A/S (est 1904) being the best known.
