![](http://www.alamy.com/thumbs/6/B33455C7-468E-46CD-83F8-EBAD3264FC08/KJ1KBX.jpg)
Sir William Congreve, 2nd Baronet's plan for perpetual motion of a boat using wave or current power. Sir William Congreve (1772-1828) an English inventor and rocket artillery pioneer. Dated 19th Century
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Photo credit: © World History Archive / Alamy / Afripics
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Keywords: 19th, 2nd, archival, archive, artillery, baronet, boat, century, congreve, current, diagram, engraved, engraving, historical, history, illustrated, illustration, motion, perpetual, physics, pioneer, plan, power, rocket, science, scientific, sir, transport, transportation, wave, william