Unit maintenance repair parts and special tools lists : grader, road, motorized, DED, 13,000 lb pressure at blade, 12 foot blade, 6 wheels, 4 driving, 2 steerable, leaning front wheels with scarifier : Army model 440HA (NSN 3805-00-931-7881) : Army model 440HAROPS (NSN 3805-01-018-2866).

"May 1992."

Electric waves; being researches on the propagation of electric action with finite velocity through space.

Translation of: Untersuchungen über die Ausbreitung der elektrischen Kraft.