Quotables
"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 4008611 | Fluid flow measuring apparatus Apparatus for producing a pressure differential for measuring flow of a gaseous fluid through a conduit of circular cross-section, including a pair of hollow tubes which pass through the wall of the conduit and have open inner ends which are parallel and ... | 02/22/1977 |
| 3952577 | Apparatus for measuring the flow rate and/or viscous characteristics of fluids An apparatus for measuring the flow rate and/or viscous characteristics of a fluid comprising a casing having a fluid passage, a fluid inlet cavity and a fluid outlet cavity, fluid pressure detecting means preferably at spaced positions along the passage,... | 04/27/1976 |
