Across
- 2. Long-distance electrical communication using coded pulses
- 4. Process of recording images with light
- 5. SYRINGE Hollow needle device for injections
- 6. Self-propelled road vehicle
- 8. CLEANER Appliance that suctions dust and debris
- 9. Two-wheeled human-powered vehicle
- 10. PROJECTOR Device that displays motion pictures on a screen
- 15. First widely used antibiotic from a mold
- 17. Optical device for viewing tiny structures
- 19. OBSCURA Dark chamber projecting an external image
- 20. MACHINE Imager using high-frequency sound waves
- 22. PICTURE CAMERA Device that captures moving images on film
- 23. Biological preparation that confers immunity
- 25. Two-wheeled motorized vehicle
- 27. Instrument that measures air pressure
- 28. COMBUSTION ENGINE Engine burning fuel within cylinders
Down
- 1. Auscultation instrument for heart and lungs
- 3. Instrument that measures temperature
- 7. Moving staircase for carrying passengers
- 11. SCANNER Machine using magnetic resonance to image the body
- 12. CODE Dits and dahs system for encoding characters
- 13. Instrument that magnifies distant objects
- 14. ENGINE Compression-ignition internal combustion engine
- 16. CONDITIONER Appliance that cools and dehumidifies air
- 18. MACHINE Appliance that agitates clothes clean
- 19. SCANNER X-ray device producing cross-sectional images
- 21. ENGINE High-thrust engine expelling mass for propulsion
- 24. Vertical transport with a safety brake
- 26. ENGINE Reaction engine propelled by exhaust jets