# A B C D E F G H I J K L M N O P Q R S T U V W Y Z
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 |
