Quotables
"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
Lee deForest, American radio pioneer ; 1957
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| Number | Title | Issue Date |
| 6644756 | Wheel structure A large-diameter part, the diameter of which is larger than the diameter in the center, is provided at the edges of a rim via parts having a difference in a level. Curled parts are provided on both edges of the rim by curling the large-diameter part. Each... | 11/11/2003 |
| 4209051 | Tire having beads with air relief means A pneumatic tire and a tire and wheel rim assembly are disclosed in which the tire has means preventing the tire remaining inflated when fitted to a non-matching wheel rim. The tire has a pair of axially spaced tire beads at least one of which has a circu... | 06/24/1980 |
