Across
- 3. Instrument used to increase loudness of voice.
- 6. Large outlet for water.
- 7. A machine reproducing sound.
- 8. Far reaching sound.
- 9. Measures very small things.
- 10. False name.
Down
- 1. Systemized study of stars.
- 2. Good person.
- 4. Study of stars.
- 5. Study of diseases.