| Answer | Crossword Clue |
|---|---|
| WIRED | Sent by telegraph |
| WIRING | Sending by telegraph |
| REWIRED | Replied by telegraph. |
| CABLES | Sends by telegraph |
| DAH | T, by telegraph |
| PONYEXPRESS | Mail service made obsolete by the transcontinental telegraph |
| BIGAPPLE | Nickname popularized by a New York Morning Telegraph sportswriter in the 1920s, with "the" |
