| Answer | Crossword Clue |
|---|---|
| DASH | T in telegraphy |
| DAH | The T in telegraphy |
| DIT | Click in telegraphy |
| STOP | Period in telegraphy |
| DOT | E, in telegraphy |
| VAIL | Inventor in telegraphy. |
| MORSE | Name in telegraphy |
| MARCONI | Pioneer in wireless telegraphy |
| VAIL | Famous name in telegraphy. |
| DIT | Code word in telegraphy. |
| LOOMIS | Pioneer in wireless telegraphy |
| BAUD | Unit of speed, in telegraphy. |
| MARCONI | 1909 Physics Nobelist for work in wireless telegraphy |
