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 |
| 5907115 | Keyboard musical instrument with keyboard range indicator A keyboard musical instrument having a keyboard range display device with which the positions of player's hands or fingers on a keyboard and the keys to be depressed as needed, are visually identified, comprises right hand and left hand range display mean... | 05/25/1999 |
| 4821619 | Key signature actuator for a musical keyboard A key signature actuator for a musical keyboard eases playing from music written with difficult key signatures by automatically actuating the sharps or flats in the key signatures. The keyboard has five back digitals per octave span, like the traditional ... | 04/18/1989 |
| 4516465 | Device for guiding a player in performance of a keyboard instrument A device for guiding a player in his or her performance of a keyboard instrument is comprised of a movable indicator having a predetermined number of indicating or display elements registering with respective ones of the keys on the keyboard occasionally ... | 05/14/1985 |
