| Answer | Crossword Clue |
|---|---|
| methanometers | METHANOMETER, instrument for detecting presence of methane |
| methanometer | instrument for detecting presence of methane |
| galvanoscope | an instrument for detecting the presence and direction of an electric current |
| galvanoscopes | GALVANOSCOPE, an instrument for detecting the presence and direction of an electric current |
| galvanoscopic | relating to a galvanoscope, an instrument for detecting the presence and direction of an electric current |
| galvanoscopy | the use of a galvanoscope, an instrument for detecting the presence and direction of an electric current |
| galvanoscopies | GALVANOSCOPY, the use of a galvanoscope, an instrument for detecting the presence and direction of an electric current |
