B bajoman New member Apr 17, 2010 #1 lamp, incandescent, etc)? is there a formula or a chart to determine the BURNING HOURS of a certain lamp? if there's a chart, could you give me a link? or if a formula, could you teach me?
lamp, incandescent, etc)? is there a formula or a chart to determine the BURNING HOURS of a certain lamp? if there's a chart, could you give me a link? or if a formula, could you teach me?