Antique Snotneus Lamp

👀 what could this object be? A SNOTNEUS ... a term that in Flemish refers to the "nose" that you can see in photo 4 very well ... this ancient lamp was invented in Holland in the Middle Ages and works with whale oil. This example is from the early 1900s, has a white and blue painted knob on the lid, is about 25 cm high.