| Answer | Crossword Clue |
|---|---|
| GRAY | Father of the telegraph. |
| MORSE | Inventor of the telegraph. |
| RCA | Descendant of the Marconi Wireless Telegraph Company |
| POLES | The Frames "Telegraph ..." |
| VAIL | Inventor who improved the telegraph. |
| SENDER | Man at the telegraph key. |
| HATH | Word in the first telegraph message |
| TASS | The St. Petersburg Telegraph Agency, later |
| HATH | Verb in the first telegraph message |
| HATH | Verb in the world's first telegraph message |
| PONYEXPRESS | Mail service made obsolete by the transcontinental telegraph |
| BIGAPPLE | Nickname popularized by a New York Morning Telegraph sportswriter in the 1920s, with "the" |
