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BEAUFORT SCALE

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Originally appearing in Volume V03, Page 587 of the 1911 Encyclopedia Britannica.
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See also:

BEAUFORT See also:SCALE , a See also:series of See also:numbers from o to 12 arranged by See also:Admiral See also:Sir See also:Francis Beaufort (1774-1857) in 1805, to indicate the strength of the See also:wind from a See also:calm, force o, to a See also:hurricane, force 12, with sailing directions such as " 5, smacks shorten sails " for See also:coast purposes, and " royals, &c., ` full and by ' " for the open See also:sea. An exhaustive See also:report was made in 1906 by the Meteorological See also:Office on the relation between the estimates of wind-force according to Beaufort's scale and the velocities recorded by anemometers belonging to the office, from which the following table is taken: Beaufort scale. Corresponding wind. Limits of hourly velocity. Numbers. Calm See also:Miles per See also:hour.

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