| Answer | Crossword Clue |
|---|---|
| scintillator | an instrument for detecting radioactivity; a phosphor that produces scintillations |
| scintillators | SCINTILLATOR, an instrument for detecting radioactivity; a phosphor that produces scintillations |
| scintillometers | device for detecting and measuring radioactivity, having a crystal scintillator, a photoelectric cell sensitive to the light from scintillations, and an amplifier |
| electroscope | An instrument for detecting and measuring electricity, esp. as an indication of the ionization of air by radioactivity |
| electroscopes | An instrument for detecting and measuring electricity, esp. as an indication of the ionization of air by radioactivity |
