1947 – Walking Amphibious Barge – John T. Tucker (American)

Rear view. Concept models. Concept models. Concept models. Concept models. Propellor protection. Prop actually swivels up and down to give ground clearance or motive power. [Source: All the above images – Life 1948] [Source: Mechanix Illustrated – March 1948] [Source: Popular Mechanics – May 1948] [Source: Popular Science – May 1948] Leapfrog Barge Swims, Walks, Climbs …