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Andrew Jackson Beard

By Mary Bellis, About.com

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Andrew Jackson Beard - Rotary Engine

Andrew Jackson Beard - Rotary Engine - Figures 1,2

In 1892, Andrew Jackson Beard patented a rotary engine.

Andrew Jackson Beard Biography

Index: Andrew Jackson Beard

  1. Andrew Jackson Beard - Rotary Engine
  2. Andrew Jackson Beard - Rotary Engine
  3. Andrew Jackson Beard - Jenny Coupler

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