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 |
| 6064294 | Temperature switch, particularly adjustable temperature regulator A temperature regulator operating with a hydraulic expansion capsule or diastat (5) has a lever mechanism (30) for force transmission between the diastat and the switch spring (21) of a snap switch (20). For protecting the switch spring against overloadin... | 05/16/2000 |
| 4536736 | Thermostat A bulb-and-capillary type temperature sensor move a fulcrummed lever arm for effecting tripping of a snap-acting switch. The lever arm has a resilient bimetal strip cantilevered thereon which is biased at its free end away from the lever by an adjustment ... | 08/20/1985 |
| 4490708 | Condition responsive electric switch system, electrical switching device and method of operation thereof A condition responsive electric switch system comprises switch means which includes at least one set of contact elements defining a preselected open position, a preselected closed position, and a preselected initial contact make-break position, disposed b... | 12/25/1984 |
| 4110720 | Thermostatic control A thermostatic control as shown and claimed in U.S. Pat. No. 3,135,849 in which the reed in this new disclosure has a pair of split legs. One leg of a first set of such pair is a flipper leg and the other leg of such first set carries a contact which is d... | 08/29/1978 |
