| Answer | Crossword Clue |
|---|---|
| interferometers | INTERFEROMETER, an instrument for analysing spectra of light |
| interferometer | an instrument for analysing spectra of light |
| spectroscope | an instrument for forming spectra by dispersing rays of light |
| spectroscopes | SPECTROSCOPE, an instrument for forming spectra by dispersing rays of light |
| sonograph | an instrument for recording and analysing sound |
| sonographs | SONOGRAPH, an instrument for recording and analysing sound |
| milliprobe | an instrument for analysing small quantities, esp a spectrometer |
| milliprobes | MILLIPROBE, an instrument for analysing small quantities, esp a spectrometer |
