demonstrations_3a5_electricity_and_magnetism_3a5g_magnetic_materials_3amagnets_3astart
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File
- Date:
- 2011/10/25 11:30
- Filename:
- img_2365.jpg
- Format:
- JPEG
- Size:
- 76KB
- Width:
- 800
- Height:
- 600
- Camera:
- Canon Canon PowerShot S50
- References for:
- U-shape Track