And use a 2 1/2 x 7 1/2 inch griffin funnel balances the lamp better. Rather than using the 10 1/2 funnel. Or as used in photographs on a comet gas shade holder.
Diameter of frill 19.2 cms 7 1/2 inches. Diameter of base 11cms 4 1/4 inches. The item "Pr genuine victorian amber glass kerosene oil gas lamp shades c1870- 1890" is in sale since Monday, September 17, 2018.This item is in the category "Antiques\Antique Furniture\Lamps\Victorian (1837-1901)". The seller is "steven130861" and is located in Ross-on-Wye. This item can be shipped worldwide.