Periodicals; Chemical industry; Explosives; Dynamite; Plastics industry; Ammunition;
Table of Contents: What of the new year; Five tons of rock per pound of explosives; More economy in secondary shooting; Whence American dyes; A new way of looking at soap; Dynamite breaks into the movies; Explosives in the lumber industry; DuPont...
Table of Contents: From coal-tar, molasses and salt; A new role for Nitramon; The velvet vogue; Serves the laundry, too; More power from your car; Romance of the ages comes to milady's dressing table; Clocks to fit the times; What's new; Straight...