Inside Out Library · Explore

Scientific American, Vol. 96, No. 9 (1907) (1907)

leaf 9

An illustration from Scientific American, Vol. 96, No. 9 (1907), 1907, leaf 9
194 … of the wire rope. The shaft of the wire rope drums electric moto is driven by two electric motors. The targets, which are moved forward, backward, or sideways at a speed corresponding with the conditions actually obtaining in real military operations, represent infantry, cavalry, and artillery.…

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 96, No. 9 (1907)

More like this