Mechanical Dog Begging for Hot Dog

(Original Caption) 05/04/1940-New York: Sparko, a Westinghouse mechanical dog, rears back on his haunches and sniffs at a "hot dog" held by his creator, Westinghouse engineer J.M. Barnett. The aluminum-coated canine was brought into the world several weeks ago, after being in a "blueprint dog house" for one year. He gets his meals oridinarily from the nearest electric light socket.