Lockheed P-38 Lightning - The answer is balance. If the top in Buddy's hand were the least bit lopsided, it would wobble. But it spins true because it is properly balanced. General Motors men, always on the lookout for ways to make more and better things for more people, tackled this vibration problem years ago. And they finally developed a universal balancing machine, which automatically locates unbalanced weights in rotating parts. And when the time came for General Motors to take up the production of aircraft engines, the same balancing methods that had so greatly reduced vibration in our cars were applied. Vibration, so dangerous in the air, was cut and cut again. Power was stepped up. Higher speeds became possible. ..... 1944 General Motors War Bond Ad, A4826A.

Product Description

This Item is an original Magazine ad, taken from a vintage magazine of the year indicated. The ad is suitable for framing and displaying in your home or office. The scan of this item was taken through plastic film, however it is an accurate representation of the item. The nominal size is 10.5 inches by 14 inches.

Product Details

• Shipping Weight: 8 ounces
• ASIN: B002N2LFGQ