| 100% | DETECTOR | 8 | Metal-finding device invented by Gerhard Fisher |
| 47% | TELEPHONE | 9 | Device invented by Alexander Graham Bell |
| 44% | PRINTINGPRESS | 13 | Device invented by Johannes Gutenberg in the fifteenth century |
| 44% | PROJECTOR | 9 | Motion picture-beaming device invented by Edison |
| 44% | SEEDDRILL | 9 | Agricultural sowing device invented by Jethro Tull |
| 44% | SAFETYPIN | 9 | Fastening device invented by both Hunt and Rowley |
| 44% | SYRINGE | 7 | Hand-held medical device invented by Letitia Geer |
| 42% | DUMBWAITER | 10 | A labor-saving device invented by 44-Down was the … |
| 42% | GYROSCOPE | 9 | Device invented by Leon Foucault consisting of a spinning wheel on an axle |
| 39% | WIPER | 5 | Windshield ___, rainy day car device invented by Mary Anderson that was patented in 1903 |
| 33% | INCHIQUIN | 9 | Metal currency from 1642, invented by an Irishman |
| 32% | HIDDENWIRES | 11 | Devices worn by informants … and what can be found inside three pairs of answers in this puzzle |
| 32% | COBALT | 6 | Metal found in meteors |
| 32% | ZINC | 4 | Metal found in pennies |
| 32% | ORE | 3 | Metal found in rocks |
| 32% | TIN | 3 | Metal found in solder |
| 32% | ORES | 4 | Metals found in rocks |
| 31% | LEAD | 4 | Metal found in old paint |
| 30% | WINDMILL | 8 | Device invented in the Middle Ages |
| 30% | TIN | 3 | Metal found in pewter and bronze |
| 30% | TIN | 3 | Metal found in bronze and pewter |
| 30% | SKEET | 5 | Sport invented by hunters |
| 30% | ORES | 4 | Raw metals found underground |
| 30% | SOLARCELL | 9 | Invented by the Bell Labs in 1954 |
| 30% | GUNPOWDER | 9 | Invented by the Chinese, used in munitions |
| 29% | EPODE | 5 | Verse form invented by Archilochus |
| 29% | BAROMETER | 9 | Weather instrument invented by Torricelli |
| 29% | PULLEYS | 7 | Rope mechanisms invented by Archimedes |
| 29% | AQUALUNG | 8 | Scuba equipment invented by Cousteau |
| 29% | LIGHTBULB | 9 | Illuminator invented by Thomas Edison |