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BALDT, Inc.
801 W. 6th Street
Chester, PA 19013
phone: 610-447-5200 fax: 610-874-8599

chain@baldt.com
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A History of Anchors from a 1902 Scientific American article
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This interesting article, from a 1902 Scientific American Supplement, chronicles the technical development of anchors between 1800 and 1860


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Technical Dynamcis of the Design Change
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Some inclinaton of the arm must have, in order to bring about penetration; yet the more at right angles to the shank, the greater the penetration. These two opposing conditions are reconciled by curving the arm to the arc of a circle having its center in such a position that the radius of the curve is about a third of the length of the shank. Two minor advantages also accrue. During the process of tripping or breaking out the anchor, the buried arm continues its curved path in the ground until the shank is nearly vertical and the pea ready to emerge with the least possible resistance.


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