Then he lit the pilot light and set the coffeepot over a burner again.
These difficulties were mostly caused by the solid impurities contained in the burner-gases in the shape of flue-dust, especially the arsenic, which after a short time rendered the contact substance inactive, in a manner not as yet entirely understood.
Alex replaced the pot on the burner and resumed his place at the table.
She placed the skillet on the stove and turned the burner on to dry it thoroughly.
The magnetometric method was employed, and the metals, in the form of ovoids, were heated by a specially designed burner, fed with gas and air under pressure, which directed 90 fine jets of flame upon the asbestos covering the ovoid.