Table of Contents: Sketching the background; Sweep of the years; Resume of black powder history; Old black powder days; High spots of DuPont high explosives history; Forty-five years ago; Importance of chemistry in DuPont industries; DuPont...
Injection molded from FM-1 nylon, these spools for electric coils actuating aircraft instruments resist operating temperatures which distort other thermoplastics. Their 0.012-inch wall thickness is far less than required with other molding powders...