Lightning strikes mathematics : equations that spell progress are solved by electronics

Rose, Allen. Lightning strikes mathematics: equations that spell progress are solved by electronics. Article in "Popular Science Monthly", 148 (4): 83-87. Whole number, pp. 65-216, plus a student's supplement pamphlet [16pp]. April 1964. 235 x 165 mm. Original printed wrappers, but they are rather faded. Pages slightly toned, front wrapper has some creasing, otherwise a Very good copy.
First Edition, journal issue.