国立アメリカ歴史博物館のインスタグラム(amhistorymuseum) - 7月17日 22時06分

Did you know Major League baseballs are still hand-stitched? ⚾️ After World War II, the United Shoe Machinery Corporation experimented with mechanizing the stitching. The prototypes were promising, but expensive. Ultimately, the director of planning reported the “development program was curtailed in March, 1961 when the Baseball Manufacturers Committee of Athletic Goods Manufacturing Association declined to support further development, and our management made a decision not to further fund the program without industry support.” #Baseball #Invention #Innovation #BusinessHistory #AllStarGame #ASG #ASG2018 #AmericanHistory [⚾️:United Shoe Machinery Corporation Records, Archives Center]

[BIHAKUEN]UVシールド(UVShield)

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