"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 |
| 4739184 | Portable transducer simulator A hand-held portable transducer simulator unit connects to a vehicle's instrumentation circuitry in substitution of the vehicle's own pressure and/or temperature transducers for diagnostic checking of the instrumentation circuitry. Various sets of adapter... | 04/19/1988 |
| 4023648 | Lubricant applicators A lubricant applicator including a container having an outlet to be connected to the lubricating system of a bearing, a separator in the container movable to force lubricant out through said outlet, a gas chamber behind the separator and in communication ... | 05/17/1977 |