Includes three additional articles by the author which were published in "The Electrical Experimenter" magazine and represent the breadth of his interests: "Tesla would pour Lightning from Airships to Consume Foe" (1916), "The Action of The Eye" (1893), "The Problem of Increasing Human Energy" (1900).

Binding: Paperback;192 pages; Publisher: Penguin Books Ltd; Classification: Children's Books; Weight: 274 g; Dimensions: 197 x 129 x 13

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