Quotables
"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7261259 | Flared railway frog An improved railway frog having opposite side flangeways, each flangeway comprising a channel with an ending width greater than a corresponding channel width of a conventional frog. The improved frog channel further comprising a first segment and a second segment. T... | 08/28/2007 |
| 6177205 | Process for producing a permanent way component and such a component A process for manufacture of a railroad track part, in particular a large points part, with rail parts such as a frog point and connecting rails, and the track part obtained. The track part is made of materials of differing composition, one of which is a ... | 01/23/2001 |
| 4514235 | Frog, in particular frog point, for rail crossing or rail switches as well as process for producing same In a steel frog for rail crossings and rail switches, the frog point or, respectively, the surface of the frog being travelled upon by the wheels consists of an age-hardening steel having the composition The frog is manufactured such that the surface being tra... | 04/30/1985 |
| 4469299 | Railway turnouts According to the invention a railway turnout comprises two wing rails and a point, carried on a frog, which includes a nose, the running surface of which is substantially co-planar with the running surfaces of the rail of the turnout, the wing rails being... | 09/04/1984 |
