1918 Hood Tires Ad - The factor of safety in aeroplanes is 10-14

This is a 1918 ad for a Hood Tires! The size of the ad is approximately 6x9inches. The caption for this ad is 'Factors of Safety The factor of safety in aeroplanes is 10-14 The factor of safety in pneumatic tires is 10-14' The ad is in great condition. This vintage ad would look great framed and displayed! Add it to your collection today!