Envelope near the base, you can see where the glass has been taken out and replaced to. Enable to put in a new carbon filament. This is not visible enough to photograph. The Holder is an original plug in type. Which I have never seen before.
Lamp 12.5 cm including pip. Length of the holder 8cm.This is the buyers choice. The item "Rare Edison Screw Electric Light Bulb with original Holder 1899-1901" is in sale since Monday, June 18, 2018.
This item is in the category "Antiques\Science/Medicine\Scientific Instruments". The seller is "photo428" and is located in London.
This item can be shipped worldwide.