Across
- 2. invented by Thomas Edison to generate light
- 5. this special code was named after its inventor
- 6. invented by Ben Franklin after he became tired of wearing two pairs of glasses
- 7. Isaac Merrit Singer invented this machine
Down
- 1. Walter Diemer invented this type of pink chewing candy
- 3. Orville and Wilbur Wright invented this flying device
- 4. Levi Strauss invented these rugged trousers