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Scientific American, Vol. 37, No. 12 (1877) (1877)
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cav- metal collet or under ring. Any.one disposed to class the of the skeleton of the button is known as the collet. Inas- ity to receive the combined collet, tuft piece, and filler, the button zéologically may refer it to the turtle family of ¢ri- last being uppermost. The upper mandrel is again… … © 1877 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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