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"The stock is of iron, similar to the Admiralty anchor; the shank is of rectangular section, somewhat larger at the center than at the ends, and is made fork-shaped at one end to receive the arms; the arms are in one piece, and are connected to the shank by a bolt passing through their center." — Encyclopedia Britanica, 1893

Trotman's Anchor

"The stock is of iron, similar to the Admiralty anchor; the shank is of rectangular section, somewhat…