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 |
| 4007473 | Target structures for use in photoconductive image pickup tubes and method of manufacturing the same In a target structure for use in a photoconductive image pickup tube, a P-type photoconductive film is deposited on an N-type transparent conductive film which is deposited on a transparent substrate. The P-type photosensitive film comprises first and sec... | 02/08/1977 |
| 3966512 | Method of manufacturing targets of pickup tubes In a method of manufacturing the target of a pickup tube of the class wherein an N-type light transmitting conductive film is formed on a substrate, an N-type photoconductive film consisting of a group II-VI compound is formed on the N-type light transmit... | 06/29/1976 |
