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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 |
| 5373667 | Synthetic turf, method of making thereof, border strip for small size golf and understructure for artificial large size golf The synthetic turf has a base made of fabric material from which upwardly projects a mass of entangled, crimped grass-like frayed blades made of polypropylene, nylon or polyester. The blades have a length between 3/8" and 2", a weight from 28 to 60 ounces... | 12/20/1994 |
| 5356344 | Synthetic turf, method of making thereof, border strip for small size golf and understructure for artificial large size golf The synthetic turf has a base made of fabric material from which upwardly projects a mass of entangled, crimped grass-like frayed blades made of polypropylene, nylon or polyester. The blades have a length between 3/8" and 2", a weight from 28 to 60 ounces... | 10/18/1994 |
