1950 Safety Proved On The Speedway by Wilbur Shaw. For Your Protection on the Highway. Firestone Published April 7, 2024 at 1536 × 2015 in Firestone ← Previous Next → 1950 Safety Proved On The Speedway by Wilbur Shaw. For Your Protection on the Highway. Firestone Source: www.flickr.com / x-ray_delta_one