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Patent Sail

A SHUTTERED self-regulating sail controlled by automatic STRIKING GEAR, patented in 1807 by William Cubitt of Norfolk, designed to achieve a fairly constant speed irrespective of the wind force. See STRIKING GEAR.

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Alternative terms

Term Language Region
Automatic Sweep English
Regulating Sails English
Self-Acting Sail English Lincolnshire
Self-Regulating Sail English Lincolnshire