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"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 |
| 4020733 | Page turning device A first horizontal elongated plate has a longitudinally extending slot therein. Each of a plurality of vertical L shaped members has a bottom horizontal leg disposed at right angles to the slot and an upwardly disposed vertical leg. Each of a like plurali... | 05/03/1977 |
