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| | Notable Vail Kin |
 | | The first alteration which Vail made in the Morse machine was the substitution of a fountain-pen for the recording pencil; this, however, not proving successful, he invented the armature lever having a vertical motion, so that it could be brought down upon the record strip instead of being carried across it. |
 | | Vail, who died in Hartford, Conn., in 1894, had endeavored to secure for her husband proper credit for his share in the invention of the magnetic electric telegraph, and at the Chicago exposition in 1893, the name of Alfred Vail was displayed in letters of light among the names of eminent electricians. |
 | | Vail was general superintendent of the Edison Electric Light Company, in which position he oversaw the design and construction of central stations. |
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