Designed by the controversial Preston Tucker, the Tucker 48 incorporated several safety and ergonomic features including directional headlights, roll bars, a pop out windshield, among others.
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Tucker Combat Car - GIF and video
Flip out automotive cupholders - GIFs
Projecting car's blind spot image onto A-pillar - video
1939 car safety device - GIF
Rolls-Royce retracting anti-theft hood emblem - GIF