This lamp was massive, consisting of a cylindrical tin tank for kerosene. It served as a protection against a possible explosion of the fuel. A metal pipe with a mica window and holes for airflow was attached to the tank.
The wick, immersed in the tank, was led through the hole above the tank to the metal pipe. The wick protruded from the pipe by capillary action, ensuring the supply of kerosene and the formation of burned vapors.
Lamps were constantly being improved, as the first ones provided little light. They also took over the external construction of oil lamps from the first half of the 19th century.
