| ALDISLAMP | Device with which to flash dots and dashes to transmit Morse code (5,4) |
| SHREDDER | Device with which to render documents into unreadable ribbons, scraps, snips, strips and tatters (8) |
| HORCRUX | Dark-magic device with which to achieve immortality, in Harry Potter |
| COMBS | Toothed detangling devices with which to keep one's hair tidy or "kempt"; the main bodies of harmonicas; or, regular structures of hexagonal cells built by bees (5) |
| ALDIS | A C W ___, inventor of a portable lamp used to transmit Morse code (5) |
| AFFLUENCE | Having cash to flash, a dodgy dealer catches 2 (9) |
| SIDELINES | Team dashes to get additional sources of income (9) |
| MORSECODE | Dashes to represent Tom in this? |
| WEIRDNESS | Peculiarity dam has, in turn, to transmit to son |
| MASSMEDIA | Ways to transmit mother's new meds cracking up (4,5) |
| TSETSEFLY | African insect known to transmit sleeping sickness (6,3) |
| TELEGRAPH | System to transmit messages along a wire (9) |
| STROBE | An electric light that can be made to flash on and off rapidly and automatically (6) |
| PETARD | Explosive device (with which one may be hoist) (6) |
| STEAMENGINE | Device with which Scottish engineer James Watt is associated (5,6) |
| RATCHET | Device with which informer secret-agent finally trapped revolutionary (7) |
| MACHINE | Device with which setter has packed a punch (7) |
| LISTEN | Pay attention to Flash Gordon's origin being leaked |
| SHAFT | Beam of light seen to flash after going outside |
| RUNSDOWN | Dashes to the ground and searches successfully |
