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 |
| 5485983 | Seal apparatus for a flow control valve A gas metering valve is provided for selectively providing a series of different calibrated gas flow rates. The valve includes a valve body having a gas inlet, a gas outlet, a chamber situated between the gas inlet and gas outlet. The valve also includes ... | 01/23/1996 |
