 Baseball object: Encyclopedia - Baseball objectA baseball is a ball used primarily in the sport of the same name, baseball. It is generally approximately 9 inches (23 cm) nor more than 9 1/4 inches in circumference, and 5 ounces (142 g) in weight, sometimes balls may be used in children's leagues. Construction varies. Generally the core of the ball is cork, rubber, or a mixture of the two, and is sometimes layered. Around that are various linear materials including yarn and twine, sometimes wool is used. A leather cover is put on, in two pieces, and stitched together using 108 sti ...
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