| Answer | Crossword Clue |
|---|---|
| metronome | device for marking tempo |
| pinger | a device for producing pulses of sound (as for marking an underwater site or detecting an underwater object) |
| pingers | a device for producing pulses of sound (as for marking an underwater site or detecting an underwater object) |
| swathers | A device on a mowing machine for raising uncut fallen grain and marking the line between cut and uncut grain |
| LENTO | Tempo marking |
| RIT | Tempo marking: abbr. |
