"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 |
| 5920253 | Local area method arrangement A local area network arrangement is taught for implementing a control system. The local area network arrangement includes a low-voltage bus composed of a cable pair, functioning as a common transmission path of the network, a plurality of connection units... | 07/06/1999 |
| 5905612 | Magnetic head and producing method of the same A magnetic head can be made by a first step of butting projection end faces of a pair of magnetic cores, each of which is previously machined into a convex shape, through a magnetic gap member; a second step of forming notches which reach a winding groove... | 05/18/1999 |
| 5899087 | Dryer fixing device for use in a cooling appliance A device for use in a cooling appliance for fixing a dryer on a condenser having a plurality of pipe parts. The fixing device comprises a plate-shaped body, a supporting part formed at one end of the body and inserted between the pipe parts to elastically... | 05/04/1999 |