| Answer | Crossword Clue |
|---|---|
| phonopores | PHONOPORE, a kind of sound-conducting apparatus |
| phonopore | a kind of sound-conducting apparatus |
| phonophore | a sound-conducting apparatus, of various kinds; a device for telephoning and telegraphing simultaneously by the same wire |
| phonophores | PHONOPHORE, a sound-conducting apparatus, of various kinds; a device for telephoning and telegraphing simultaneously by the same wire |
