| Answer | Crossword Clue |
|---|---|
| DEWAR | Vacuum bottle inventor |
| BOYLE | Vacuum-pump inventor |
| DYSON | Vacuum inventor James |
| DEWAR | Vacuum flask inventor |
| LEEDE | Vacuum-tube inventor .. Forest |
| NIKOLATESLA | Inventor of an A.C. motor and transformer, X-ray technology, and a vacuum tube amplifier: 2 wds. |
