1915 – The Radium Destroyer – Hugo Gernsback (American)

November, 1915 THE ELECTRICAL EXPERIMENTER by Hugo Gernsback. Front cover -"THE RADIUM DESTROYER" from a painting by Thomas H. Wrenn. (typo- actually Thomas N. Wrenn) Warfare of the Future The Radium Destroyer THE European War has clearly demonstrated what a tremendous part modern science plays in the offense as well as in the defense of …

1960 – Cycloidal Propulsion Omnidirectional Drive – Howard Hansen (American)

CLARK'S experimental cycloidal machine. Two non-drive rear wheels counter torque. Source: Mechanix Illustrated, April 1963. CYCLOIDAL PROPULSION A revolution in land vehicles may come from this new invention which can provide perfect maneuverability. PUT a pencil at the top of a sheet of paper and start making loops—as if you were practicing a capital O, …

1912 – Dreadnought Wheel and “Big Lizzie” – Frank Bottrill (Australian)

1912 – Dreadnought Wheel and "Big Lizzie" – Frank Bottrill A dreadnaught wheel is a wheel with articulated rails attached at the rim to provide a firm footing for the wheel to roll over, they have also been known as endless railway wheels when fitted to road locomotives, and were commonly fitted to steam traction …

1899 – Walking Wheel – James C. Anderson (American)

1899 – Walking Wheel patent by James C. Anderson Publication number    US647245 A Publication type    Grant Publication date    Apr 10, 1900 Filing date    Aug 16, 1899 Priority date    Aug 16, 1899 Inventors    James C Anderson Original Assignee    James C Anderson My invention relates to certain new and useful improvements in wheels for use upon vehicles …

1846 – Walking Wheel – James Boydell (British)

1846 – Walking Wheel by James Boydell A dreadnaught wheel is a wheel with articulated rails attached at the rim to provide a firm footing for the wheel to roll over, they have also been known as endless railway wheels when fitted to road locomotives, and were commonly fitted to steam traction engines. Bottrill's "Big …