"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 |
| 7409818 | Horseshoe A method of making a composite horseshoe to a bespoke design to fit a specified hoof of a specified horse includes the step of providing a template horseshoe adapted to fit the specific hoof of the specified horse. A mould is constructed of the template horseshoe, a... | 08/12/2008 |
| 6152235 | Universal cloven hoof shoe A universal cloven hoof shoe is described including a sole section having a top surface, an opposed bottom side, a toe end and sides joining the top surface and bottom side and extending rearwardly from the toe end. An upper section is formed integrally w... | 11/28/2000 |