| Here is page one of a six-page cover article by Mr. Alden P. Armagnac entitled "Wreckproofing The Railroads." It was published originally on the July 1951 issue of "Popular Science" magazine, page 50. Photo Caption: "Three-speed governor on locomotive axle is key device of automatic speed control. Pennsylvania program will equip 307 Diesel, electric, and steam locomotives for this system." |