Wick tube is good for old model of safety lamps. There is whitworth screw (24 threads per inch). Wick tube have 7mm diameter and long is 34mm. Suitable for old miners lamps made before WW2
Wick tube is good for old model of safety lamps. There is whitworth screw (24 threads per inch). Wick tube have 7mm diameter and long is 34mm. Suitable for old miners lamps made before WW2