optimus 123The Svea 123 can easily be brought to life by trickling some fuel from your fuel bottle, onto the burner and down into the recess. Lht the gas with the fuel vavle closed and the key offPer a 1970s Optimus brochure: the Svea 123 boils 1 liter of water in 6 mins.-----EDIT: well well well credit @Tony Press recently posted c'93 Optimus catalog approximates