Safety lamp it. Air is drawn in and descends just inside the glass, passing up through the flame in the centre of the lamp. The outer casings of lamps have been made of brass or tinned steel. If a lamp bangs against a hard piece of rock a spark could be generated if iron or untinned steel were employed. Within months of Clanny's demonstration of his first lamp, two improved designs had been announced: one by George Stephenson, which later became the Geordie lamp, and the Davy lamp, invented by Sir Humphry Davy. Subsequently, Clanny incorporated aspects of both lamps and produced
Safe bottle lamp Safe bottle lamp The Safe bottle lamp, called sudeepa or sudipa for "good lamp", is a safer kerosene lamp designed by Wijaya Godakumbura of Sri Lanka. The safety comes from heavier glass, a secure screw-on metal lid, and two flat sides which prevent it from rolling if knocked over. As surgeon Dr. Godakumbura saw many burn cases caused by kerosene lamp fires. Over 1 million homes in Sri Lanka do not have electricity, and rely on kerosene lamps for illumination, often improvised lamps made from bottles. These tall lamps tip easily, and when they do, the wick holder often falls