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In XV century. It is not so easy to show communication between perfection
Transport and economic progress of the West. In sphere of transport the major
Value belongs to the invention of courts with full sailing arms, which
Up to the XIX-th century end served as the main means of sea trade of the West. In
The beginning of XV century typical trading courts in Atlantic were still about such,
On what William the Conqueror has landed in England. It were "the round" ships
-- The relation of length to width only 3:1, - having one mast with one
Square sail. pp. 474 - 477. See also it. It Deny, A History of Technology, A Short History of Technology (Oxford: Clarendon Press,
chap. 6., Trevor
I. Williams, 1957), 1960), Singer et al. and vol. 3 (New York:
Oxford University Press in XIII century to this equipment were added by time a foremast and
Fok-sail. Such equipment was unstable, lateral the wind took down a vessel in
Lee side, depriving of its controllability. To counterbalance a fok-sail,
The slanting sail was necessary, and approximately in the middle of XV century it has been hung on
Mainmast. We do not know a name, even a nationality of the inventor. The first
The clear image of three-mast courts appears in 1466 on the French
Medals, and we know that ship builders of Bajonny located about the Spanish
Borders, had high reputation at contemporaries, but we can only
To assume that this reputation has been somehow connected with ability to build
Three-mast sailing vessels.
The Mainmast usually bore Latin equipment. In Latin arms
Used the triangular sails fastening to yards, located under the sharp
Corner to a mast, contrary to more familiar rectangular sails, for
Which yards fastened at right angle to a mast. Such equipment, usual for
Direction. In the end of XV century on the Atlantic courts the main sail at
Leeward course on former there was a big grotto-sail, but addition fok - and
Mizzen-masts have made these vessels much faster and obedient to a wheel.
The new type of equipment was known as it. Portugueses used
A bit different equipment at which on all three masts the Latin were put
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