However, they are still widely used in areas without electric lighting. The cost and danger of kerosene lighting are an ongoing problems in many countries.
The Piarist Fathers' hospital in Lviv helped Łukasiewicz popularize his invention.
On July 31, 1853, in Lviv, doctor Zaorski, a surgeon, operated on his patient Władysław Holecki. The operation occurred at night in a room lit by one of Ignacy Łukasiewicz's first kerosene lamps.