| William Fletcher (mechanical engineer.) - 1891 - 344 Seiten
...passed over ; and thus the pieces of wood which were taken up in the rear were in succession laid in front, so as to furnish constantly a railway for the wheels to roll upon." Mr. Edgeworth has had hundreds of persons who have imitated his schemes, and revived the portable railway... | |
| William Fletcher (mechanical engineer.) - 1891 - 356 Seiten
...passed over ; and thus the pieces of wood which were taken up in the rear were in succession laid in front, so as to furnish constantly a railway for the wheels to roll upon." Mr. Edgeworth has had hundreds of persons who have imitated his schemes, and revived the portable railway... | |
| Institution of Mechanical Engineers (Great Britain) - 1918 - 730 Seiten
...approached the extremity of this part of the railway their motion shall lay down a fresh length of rail in front, the weight of which in its descent shall...constantly a railway for the wheels to roll upon." If the word metal is substituted for wood, this description applies to the majority of the types of... | |
| Society of Engineers (London, England) - 1869 - 398 Seiten
...approached the extremity of this part of the railway, their motion shall lay down a fresh length of rail in front, the weight of which in its descent shall...constantly a railway for the wheels to roll upon." This description of the invention unfortunately is not accompanied with any drawing to illustrate its... | |
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