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For Music Frequency: C 261
to show that different color mixing into white color
Material: Wooden
Triangle and Circle
Optical Bench Metal
Switch & Lamp Holder Set Face Mask For Music Frequency: C 261Set of 3, including lamp holder, battery holder, and a bimetal switch. Stand size 9x5. 5x2cm. Premium Quality: Switch & Lamp Holder Set is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us.
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