Original World War 2 business industry trade magazine vintage ad for HERCULES POWDER COMPANY of Wilmington, DE.  With This Light You Can See the Future.  This portable search light sails on convoy duty, rides with the crash trucks at air bases, stands guard against sabotage at arsenals, war plants, docks. Powered by wet batteries housed in nitrocellulose plastic.  Old 1943 WW2 era propaganda magazine advertisement.