1) Camping equipment 
The Primus stove, the first pressurized-burner kerosene (paraffin) stove, was developed in 1892 by Frans Wilhelm Lindqvist, a factory mechanic in Stockholm, Sweden. The stove was based on the design of the hand-held blowtorch; Lindqvist’s patent covered the burner, which was turned upward on the stove instead of outward as on the blowtorch. The ...
[n] - a portable paraffin cooking stove
Primus noun a portable paraffin cooking stove; used by campers
a brand of portable oil stove used by campers and the like.