Across
- 3. Invented the steel plow
- 5. Improved power loom
- 6. Used ether to induce a deep sleep
- 8. Developed the reaping machine making it easier to cut grain
- 9. Made even more improvements to the sewing machine
- 11. Introduced ether for surgery
Down
- 1. Used nitrous oxide to ease the pain of dental work
- 2. Robert Fulton developed the first successful ___.
- 3. Made the miner's safety lamp for the safety of coal miners
- 4. Mark Twain's real last name; author of The Adventures of Tom Sawyer
- 7. Invented first telegraph; could conduct electrical current over wires in a series of coded messages
- 10. Made improvements to sewing machine