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 |
| 3936747 | Code operated switching device for communications systems and the like The embodiment of the invention disclosed herein is directed to a code operated switching device having a receiver for handling RF frequencies in a superheterodyne fashion without the need of local oscillators, or the like at the receiver. Input means is ... | 02/03/1976 |
