Related Clues:
- Telegraphic code inventor
- -- or ... .?
- See 14
- Means of communication for a TV detective
- Piece left out in a dashed dotty business
- Student leaves titbit for a walrus
- Detective left out of scrap
- Walrus - TV detective
- Code inventor, Samuel
- __ code (telegrapher's tapping)
- Inventor after whom a Yale residential college is named
- Big name in communications history
- Samuel with a telegraph code
- Key developer of communications
- Dashing inventor?