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 |
| 5152962 | Immunoassay apparatus An assay apparatus employing total internal reflection of excitation radiation at the interface between a replaceable optically conductive assay device and a surrounding liquid phase containing the substance being assayed. The assay device is formed of a ... | 10/06/1992 |
