Each lamp sold represented a foot of drilling, on the theory that when the sales quota was reached sufficient drilling depth would have been ... a aquot;Right Lamp Chartaquot; was furnished each junior salesman. ... A publication called aquot;The Empty Socket Filler, aquot; edited by Joe Russell, helped to stimulate the competitive spirit between the teams ... The substations group won the competition, and was awarded the football trophy. ... There were 53 cash prizes, as well as special awards distributed.