#1R - 1" Rayo Jr. Center Draft Circular wick. (1 9/16" flat x 8" long, 16 "line"').
Custom made wick from 0.086" thick, woven cotton wick.
For Rayo Jr., B&H Jr. lamps and other circa 1900 lamps which use a thick 1" wick - the 14''', 15''' Lempereur & Bernard (L&B) Brevette (not 20'''), Hasag Adonis, Otto Muller Berlin "Wonder Lamps" and lamps made in Turkey and Russia with a draft tube of 0.089" and a thick wick; (draft tube 0.086" and a thin wick use a custom made wick).
