demonstrations_3a9_equipment_3ameasuring_devices_3astopwatch_3astart
Media Manager
File
- Date:
- 2011/11/01 10:54
- Filename:
- img_2369.jpg
- Format:
- JPEG
- Size:
- 110KB
- Width:
- 800
- Height:
- 600
- Camera:
- Canon Canon PowerShot S50
- References for:
- Longitudinal Wave Slinky