| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| In 1861, Elisha Otis patented an elevator driven by this, not electricity | steam | $200 | J | TECHNOLOGY | 1989-11-20 | #1201 | |
| From 1801-1885, forerunners of the automobile had this low-pollution engine | steam | $400 | J | TECHNOLOGY | 1985-10-08 | #282 |