"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 |
| 6122866 | Method and apparatus for the concealment and disguisement of antenna structures A support structure is provided for supporting at least one antenna. The support structure includes a body portion, mounting means, an access passage, and artificial foliage. The body portion is anchored in use proximate its lower end to an anchoring surf... | 09/26/2000 |