A Practical Treatise on Rail-roads, and Interior Communication in General ...Longman, Orme, Brown, Green, & Longmans, 1888 - 760 páginas |
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Página 8
... 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 very imperfect , and had many disadvantages ...
... 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 very imperfect , and had many disadvantages ...
Página 21
... length , and not upon a sleeper . c " c " , Fig . 3 , shows the joinings of the upper rail , midway between the sleepers ; but this can be varied at pleasure , and con- sequently , prevents the under rail from being destroyed , by the ...
... length , and not upon a sleeper . c " c " , Fig . 3 , shows the joinings of the upper rail , midway between the sleepers ; but this can be varied at pleasure , and con- sequently , prevents the under rail from being destroyed , by the ...
Página 34
... length of the chair , 12 ; gshews the pinhole , which passes through both rails . The base of the chair on which the rail rests , is shewn by the dotted line i , being convex ; and the bearing or under surface of the rail being quite ...
... length of the chair , 12 ; gshews the pinhole , which passes through both rails . The base of the chair on which the rail rests , is shewn by the dotted line i , being convex ; and the bearing or under surface of the rail being quite ...
Página 36
... length ; but as they cannot separate in that direction when laid down , the pin will prevent their rising up , being the only way in which they have a tendency to separate . Fig . 4 represents a mode of preventing the rails from rising ...
... length ; but as they cannot separate in that direction when laid down , the pin will prevent their rising up , being the only way in which they have a tendency to separate . Fig . 4 represents a mode of preventing the rails from rising ...
Página 42
... lengths of fifteen feet , subdivided into bearing lengths of three feet each ; eighteen feet lengths were ... length of the rail , but on the other side , d , it was made to terminate before reaching the point of bearing , and ...
... lengths of fifteen feet , subdivided into bearing lengths of three feet each ; eighteen feet lengths were ... length of the rail , but on the other side , d , it was made to terminate before reaching the point of bearing , and ...
Índice
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342 | |
352 | |
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400 | |
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71 | |
74 | |
103 | |
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112 | |
133 | |
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163 | |
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189 | |
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205 | |
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213 | |
215 | |
257 | |
433 | |
453 | |
459 | |
504 | |
520 | |
531 | |
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547 | |
549 | |
555 | |
561 | |
562 | |
568 | |
578 | |
580 | |
582 | |
604 | |
615 | |
631 | |
641 | |
651 | |
680 | |
708 | |
726 | |
733 | |
738 | |
741 | |
749 | |
758 | |
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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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