"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 6926314 | Mudguard gritter A mudguard gritter that can be easily installed on trucks, school buses, delivery trucks and semitrailers. It can be fixed to supports of existing mudguards. The mudguard gritter comprises a container forming a hopper having the shape of a conventional aileron, with... | 08/09/2005 |