...properly burned ; that is, it must be properly mixed with air so as to burn with a pale blue non-lumnious flame. A luminous flame will be wasteful and will...draft of air, gas will be wasted, a longer time will •For further discussion of gas use, see Bulletins of the Department ot Home Economics, Ohio State...

...Columbus, Ohio, and are reproduced below. In burning gas for cooking three distinct steps are necessary: (a) The gas must be properly burned; that is, it must...directed flames may be kept burning a long time. (c) The heat generated by the burning gas must be delivered through the cooking vessel walls and into the...

...the cooking vessel, lb i The flame must be properly directed, that is, the tip of the flame must oome close to the cooking vessel. If the flame is too short...flame tip is too far away it may be impossible to ok. although the short improperly directed flames may be kept burning a long time, (c) The heat generated...

...luminous flame will be wasteful and will deposit soot on the cooking vessel. (b) The flame must toe properly directed, that is, the tip of the flame must...directed flames may be kept burning a long time. (c) The heat generated by the burning gas must be delivered through the cooking vessel walls and Into the...