e air, and that it must not be raised by means the last invention in which one of the electrical pio- of the balloon, but by a mechanical agency in which neers was engaged. The career of Prof. Elisha Gray, the vertical raising power should be greater than the D.Se., was a most pathetic one. He was… … desired angle. If the lifters, while traveling at the taking shocks, for the amusement of the younger chil- THE LATE PROF. ELISHA GRAY. maximum speed, are suddenly arrested, the machine dren. He had connected one end of the secondary does not stop, but continues its flight, gliding gradual- coil to…
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