Wick screw for safety lamps. Screw is long 8,2mm diameter on bottom is 3,5mm-3,7mm, on top have 3,8mm diameter. Suitable for old lamps where is Whitworth screw. Model was old original piece from Friemann Wolf. Used on lamps made before WW2. There is some tollerrance in size because it is handwork by old method.
Be the first who will post an article to this item!
Add a comment