Periodicals; Chemical industry; Plastics industry; Explosives; Dynamite; Ammunition; Mining;
Table of Contents: What of the new year; Duco becomes a movie actor; Safeguards for the army of blasters; Suited for a rainy day; The drums of peace; Saving a city from flood waters; Keeping pace with ideals; A giant cliff gives way; Notes on...
Table of Contents: Exit Pyrotol, enter Agritol; From forest to fairway; Government laws, annotated; Beneath the traffic film is the gleaming car you bought; Seed disinfection moves ahead; The black hills of South Dakota; Visibility with protection;...
Table of Contents: Hats off to the railroads; Rayon for new-type furniture; Duplate, safety recommends its use for automobiles; Color photography today; High carnival on Manhattan; Wild life, past and present; True sportsmen conserve game; Now -- a...
Experimental tunnel at DuPont Company's plant at Pompton Lakes, New Jersey is used by Eastern Laboratory technicians to duplicate conditions in underground mines. Tunnel is drilled 100 feet into face of a stone cliff. It enables researchers to...
Text from back of image: "In San Diego Bay, California, eighteen 151 cubic inch class hydroplanes, hailing from near and far, will race for the national championship and the Elgin Trophy. This pix shows Miss Westchester - Atlantic Coast champ....
Handwritten by P.S. du Pont on back: "Left to Right: Horace Taylor, Pete Mundy, Walter Littleton, Chas. Myers, Haywood Johnson, Allen Luaristen, Clyde Miles (Mgr.), F. Max Shuster, John Moran, Llewellyn Hanway, Cliff Taylor, Chas. Mason."
