Burner & Collar Measurements

Burners:

Side by Side Comparison <=Click for picture.

#3 - Has outside threads for a #2 1-1/4"{31mm} collar AND a #3 collar (1-3/4", 45mm); Overall diameter 3" (74mm), but bigger bell than #2, takes 3-in diameter chimney base, the wick is 1-1/2" wide. This is the burner preferred for banquet, parlour, & "GWTW" lamps, including Dresden & Meissen.

Duplex - Outside thread diameter = 1-11/16" (40mm); Overall diameter 2-7/8" (70mm) - takes 2.5" duplex chimney base; two wicks are each 1" wide. This burners a were standard on all British-made banquest lamps(Doulton, Hinks, Deane, Feldheim, Falk, Moore) & Baccarat & Fostoria.

#2 - Outside thread diameter = 1-3/16" (31mm); Overall diameter 3" (74mm) - takes 3-inch diameter chimney base; the wick is 1" wide. The usual burner for full size all-glass & composite lamps.

#1 - Outside thread diameter = 7/8" (22mm); Overall diameter 2-5/8" (64mm) - takes 2-5/8" diameter chimney base; the wick is 1/2" wide. This burner is the type used on smaller table lamps and larger finger/hand lamps.

#1 Gem - Outside thread diameter = 7/8"(22 mm); Overall diameter 1-11/16 (43mm) - takes 1-5/8" diameter chimney base; the wick is 1/2" wide. This small burner looks best on small table lamps and the small finger/hand lamps.

#0 Nutmeg & Acorn - Outside thread diameter = 11/16" (18mm); Overall diameter 1-3/16" (28mm) - takes 1-1/8" diameter chimney base; the wick is 3/8" wide. Either burner type that fits the "Mini"(miniature) lamps, and old night lites.


Collars:

Side by Side Comparison <=Click for picture.

Duplex - Inside diameter of threads = 1-11/16; inside diameter overall = 2-11/16" (65mm); 11/16" high

#2 - Inside diameter of threads = 1-1/4" (31mm); inside diameter overall = 1-11/16" (43mm); 5/8" high

#1 - Inside diameter of threads = 7/8" (23mm); inside diameter overall = 1-3/8" (34mm); 5/8" high

#0 Nutmeg & Acorn - Inside diam. of threads = 11/16" (18 mm); inside diam. overall = 1" (25mm); 1/2" high


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