"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"
The Quarterly Review ; March edition, 1825
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| Number | Title | Issue Date |
| 6615961 | Seal construction of shock absorber with leveling function To positively prevent a pressure medium sealed into an outer tube from leaking out from a clearance relative to an oil damper, there is provided a seal construction of a shock absorber 1 with leveling function wherein a seal mechanism 3 is disposed in an ... | 09/09/2003 |
| 6394463 | Oil seal The oil seal of the present invention for a valve stem includes a triple seal lip having a cam chamber side lip, a first combustion chamber side lip and a second combustion chamber side lip. Notches are provided on the second combustion chamber side lip a... | 05/28/2002 |
| 4936197 | Dynamic seal construction In a preferred embodiment of hydraulic actuator wherein a piston rod is longitudinally positionable via a tail end of a cylinder, tail-end static and dynamic seal members are of plastic, of relatively elongate trapezoidal section, and a single metal sprin... | 06/26/1990 |
| 4235445 | Sealing system for piston rod of hot gas engine An improvement to a sealing system for restricting fluid flow around a piston rod between a piston cylinder and crankshaft space in a hot gas engine where a seal element is secured around the piston rod in an intermediate chamber, the improvement includin... | 11/25/1980 |
| 4029324 | Seal assembly for control lever A sealing assembly for a control lever that extends through an opening. The sealing assembly includes a plurality of stacked seal members that have mating surfaces which allow movement of the control lever about a pair of mutually perpendicular noninterse... | 06/14/1977 |
| 3971564 | Environmental seals for multidirectional control levers An environmental seal for use with a multidirectional control lever. The seal defines a movable structure including a first closure portion movable with the movable member and a second closure portion cooperating with the first closure portion to effectiv... | 07/27/1976 |