Special Optic Glass "Inverted Ribs" Finger Lamp with marked "Lincoln" brass made Burner !
Circa 1880- 1890.
The glass fount has the interior "Inverted Ribs" pattern and also has a gaffer hand applied finger loop.
The Very Fine detailed "Lincoln * Bridgeport, CT." zero size Burner has Pierced Prongs and is post 1870's.
Dimensions: Lamp overall stands 9 7/8 inches tall from base to the top of chimney; lamp stand 3 3/8 inches tall from base to burner collar; glass base is 3 3/4 inches in diameter. The chimney is 6 1/2 inches tall.
Overall Weighs 12.5 ounces