The 7 1/4 inch fitter ring is removable. Measures 21 3/4 inches tall. Looks like someone may have tried to electrify at some point but never finished.
I only say this because of the threaded pot where the bird would go does have a hole in it. We do not see any wires anywhere on the slip base was leather drilled. The oil ta nk or reserve measures two and three-quarter inches in diamete r.