A Practical Treatise on Rail-roads, and Interior Communication in General ...Longman, Orme, Brown, Green, & Longmans, 1888 - 760 páginas |
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Página 3
... placed upon the most elevated parts of the country , for the purpose of watching the motions of the enemy ; these roads invariably avoid the more level parts of the country , and stretch from hill to hill . The paved and hard roads of ...
... placed upon the most elevated parts of the country , for the purpose of watching the motions of the enemy ; these roads invariably avoid the more level parts of the country , and stretch from hill to hill . The paved and hard roads of ...
Página 4
Nicholas Wood. articles to be conveyed were placed upon a square frame of wood , which was dragged along by the horse ; and when the goods were very bulky , the united efforts of several horses could be thus employed , which could not be ...
Nicholas Wood. articles to be conveyed were placed upon a square frame of wood , which was dragged along by the horse ; and when the goods were very bulky , the united efforts of several horses could be thus employed , which could not be ...
Página 8
... placed on each side of the road along its whole length ; they are commonly placed at four feet distance from each other , which forms the interior breadth of the road . " This kind of railroad , shown in Figs . 1 and 2 , Plate I. , was ...
... placed on each side of the road along its whole length ; they are commonly placed at four feet distance from each other , which forms the interior breadth of the road . " This kind of railroad , shown in Figs . 1 and 2 , Plate I. , was ...
Página 22
... placed upon the other , and firmly bound down by the pins or pegs of wood , and the road material filled up to the height of the upper surface of the under rail . This combination , had many obvious advantages over the single rail ; for ...
... placed upon the other , and firmly bound down by the pins or pegs of wood , and the road material filled up to the height of the upper surface of the under rail . This combination , had many obvious advantages over the single rail ; for ...
Página 24
... bars eighteen inches apart . In some places , a small piece of sheet zinc , is placed beneath the ends of the iron rails , to prevent them sinking into the wood . § 2. - Cast - iron Rails . Plate Rail 24 . DESCRIPTION OF RAILS .
... bars eighteen inches apart . In some places , a small piece of sheet zinc , is placed beneath the ends of the iron rails , to prevent them sinking into the wood . § 2. - Cast - iron Rails . Plate Rail 24 . DESCRIPTION OF RAILS .
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Términos y frases comunes
ascertain axle bearing blocks boiler breadth case-hardened cast cast-iron rails chair coals connecting rod conveyance conveyed cross drains curve cylinder Darlington depth descending diameter drag driving wheels edge rail edge-rail effect elliptic embankment empty carriages equal experiments fastened fixed flanch frame friction Grand Junction railway half hole horses inclination inclined plane increased Killingworth laid length line of railway line of road Liverpool and Manchester loaded carriages locomotive engines Manchester railway miles an hour miles per hour motion moving Newcastle Observed deflection parallel rail passengers Permanent deflection piston plane Plate point rails pounds per yard pressure quantity railroad railway bars rate of speed resistance rest riages roll rope sheeves shew shewn in Fig side sleepers springs square inch steam stone surface Swiftsure TABLE tion tons travelling tube velocity waggons wedge wheels width wooden wrought wrought-iron rails
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