Across
- 3. Microwave amplifier
- 4. First artificial satellite
- 5. U.S. space launch attempt
- 6. Early plastic
- 9. Gas-filled electronic tube
Down
- 1. Flammable film base
- 2. Synthetic fiber trade name
- 4. 1954 Bell Labs invention
- 7. Stability device
- 8. Radar component