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and selenium
All tubes have an inner diameter of 4mm
Included: Cathode Ray Tube Magnetic Field Effect Deflection Crookes Tube with Rectangular Plate
mitochondria
Circular Plate and seleniumSet of 6 Circular Plates. Circular plate Dia. 2. 5cm. Including: Brass Copper Zine Lead Aluminum Iron Premium Quality: Circular Plate 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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