"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 |
| 4670659 | Calibration method for an optical measuring system employing reference grids in a series of reference planes The invention proposes an electro-optical measurement system to be used to measure the width and possibly also the thickness of a strip 14 being rolled. The strip is imaged onto an electro-optical transducer each of which views the whole width of the stri... | 06/02/1987 |
| 4499383 | Edge detection apparatus A method of determining the precise location of an edge of a strip with individual elements of a radiation responsive sensor to an accuracy exceeding the pitch of the elements is disclosed. The strip is scanned at least in the region of the edge with the ... | 02/12/1985 |
| 4490617 | Optical width measuring system using two cameras The invention proposes an electro-optical measurement system to be used to measure the width and possibly also the thickness of a strip 14 being rolled. The strip is imaged onto an electro-optical transducer each of which views the whole width of the stri... | 12/25/1984 |