![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
|||||||||||||||||||||||
|
Image sizes: 256x256, 128x128, 48x48, 32x32, 24x24, 20x20, 16x16 File formats: BMP, GIF, PNG, ICO ![]() ![]() ![]() ![]() Tags: houdini images, eva mendes livejournal icons, css div background images, nasa image, png fix alphaimageloaderIn XV century. It is not so easy to show communication between perfectionTransport 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. chap. 6., 1960), 1957), vol. 3 (New York: Oxford University Press, A History of Technology, pp. 474 - 477. See also it. It Deny, Trevor I. Williams, A Short History of Technology (Oxford: Clarendon Press and Singer et al. 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 ![]()
| Copyright © 2006-2022 Aha-Soft. All rights reserved. |
|