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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 |
| 5288788 | Carbon blacks imparting superior treadwear/hysteresis performance and process for producing carbon blacks Carbon blacks having a CTABࣙ(I2 No.+5 m2 /g); a CDBPࣙ104 cc/100 g; a Tint of (0.5(CTAB)+70 m2 /g>Tint>0.5(CTAB)+60 m2 /g) and an ASTM aggregate volumeࣙ 480,000 (nm)3. Also disclosed are rubber c... | 02/22/1994 |
