, Ceramic Single, W/ 28" Wire Leads;Hatco;Warmer Grcw-1, Drawing #'S Hs1-1186, Hs2-188, Hs2-270,;Hs2-503.
;Series: Fdw(D), Lw-2;Merco Bw-(24, 36, 48, 60, 72), Bwi-(24, 36, 48, 60, 72).Lamp Holder Series: Fs, Fst, Gr, Gra, Gracl, Grah, Gral, Grbw,;Grh, Grhd, Grhw, Grsdh, Grsds.