• 650 nm Laser light with power supply
• Height adjustable laser light stand
• Grating plate (100 lines/mm, 300 lines/mm, 600 lines/mm) with stand
• Metal screen(20×15×0.1 𝑐𝑚)
• Meter scale (1 m wooden)


• 650 nm Laser light with power supply
• Height adjustable laser light stand
• Grating plate (100 lines/mm, 300 lines/mm, 600 lines/mm) with stand
• Metal screen(20×15×0.1 𝑐𝑚)
• Meter scale (1 m wooden)
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