Quoted from Pinballgeek:WaitWhy no stingray for 1977Without that machine where would stern be now that was the title which stern first madeWithout stingray there would be noAcdc, xmen, Metallica
I love Stingray, but at least according to IPDB it is not their first machine. Stampede, Rawhide, Disco, and Pinball (EM and SS) came before it.