demonstrations:3_oscillations_and_waves:sound_waves:decibel_meter:info
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- Date:
- 2011/04/13 10:11
- Filename:
- img_2264.jpg
- Format:
- JPEG
- Size:
- 85KB
- Width:
- 800
- Height:
- 600
- Camera:
- Canon Canon PowerShot S50
- References for:
- Gyroscopic Action 2