This is a vintage miners' lamp from The Protector company in Eccles, Manchester England. Model 1A
It has not been tested as working. Vintage condition, un polished. Lots of wear marks but overall in reasonably good condition.
Measures about 9.5" tall, 3.5" wide at base
According to the Protector Lamp Company website, these were designed for the GPO (General Post Office) the forerunner to BT. They were used from the 1960'S to 1998 to test for oxygen deficiency in tunnels and manholes.
They are a flat wick lamp burning paraffin or lamp oil and are very easy to use. Also good for use on boats. They are still used in the Royal Navy Dockyards for testing for bad air in ships holds newest and on submarines.
https://www.protectorlamp.com/miners-lamp-information/
Product code: Vintage "The Protector" newest Miners Lamp No Type 1A