Observations on the Various Systems of Canal Navigation: With Inferences Practical and Mathematical : in which Mr. Fulton's Plan of Wheel-boats and the Utility of Subterraneous and of Small Canals are Particularly Investigated : Including an Account of the Canals and Inclined Planes of China : with Four PlatesI. and J. Taylor, 1797 - 104 Seiten |
Häufige Begriffe und Wortgruppen
admit alſo angle aſcending aſſumed batteaux becauſe boat and cargo boat's bottom cafe caiſſon carriage carry caſe cauſes centre of gravity Chineſe circumſtance cloſed coals confiderable conſequently conſtruction courſe declivity depth deſcending deſcribed deſcription diſtance eligible Embaſſy expence fall fame feet 6 inches feet length feet width fides fimilar firſt floating Fulton furface gunwale heeling height High Holborn horſe immerſed inclined planes increaſe inſtances interfection itſelf laden lake lake Poyang leſs line of flotation Locks metacentre miles moſt muſt navigation nearly neceſſary obſerved occafion oppoſite paſs paſſage paſſing poſition propoſed purpoſe quantity raiſed requiſite reſiſtance reſt riſe river rollers ſame ſaving ſecond ſection ſeparate ſeveral ſhall ſhallow ſhew ſhips ſhort ſhould ſide ſituations ſmall boats ſmall Canals ſome ſpace ſpecies ſquare ſtated ſteep ſtill ſtream ſuch ſufficient ſummit ſupport ſyſtem theſe boats thoſe tons tranſverſe triangle unleſs uſe veſſels waggons wheels Yellow River
Beliebte Passagen
Seite 99 - to be attended to, in the Survey of a Line of Navigation, from-
Seite 22 - which, when their draught of water is indefinite (as will further appear from the next chapter) the quantity of light articles that can be carried by boats of different widths,
Seite 87 - There are people who wait to •" be hired for this purpofe ; they are not above a quarter of an hour about <( it, having the help of two capftans.
Seite 22 - joint weight of boat and cargo may lie without overturning, to be higher than in the other boats*; and the other is, that they are
Seite 21 - boats cannot carry either long or crooked timber ; the former, if of fir, may be floated : but the latter, if of heavy wood, will
Seite 20 - a rule to examine the boats at every place of change of men, which would be attended with too much delay. 3d. From the
Seite 73 - by which the Canal is fed, falls into it with a rapid
Seite 20 - of wind, they would, if even they had rails all the way, require the aid of men to enable boats that were
Seite 20 - At Ketley, they had rails projecting into the Canal, on the convex points, to keep the boats in their regular
Seite 22 - of their widths ; therefore, a boat of four feet width, in place of carrying half as much as a