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Spring Balance Square Shape
The potometer is used to investigate the uptake of water and transpiration of small plant shoots
Cylinder Set of 5 Kinds Materials
Educational Fun: Perfect for kids to explore and learn about magnetism through hands-on experiments
and procedure for establishing hardness
Lens Holder Skin Model Spring Balance Square ShapeUseful tool in optical benches or other optical experiments for securely holding different sizes and types of lenses and mirrors. Wooden, suitable for lenses or mirrors up to 75mm diameter. Comprising a wooden black, with a V shaped groove to hold lenses or mirrors, mounted on a rectangular wooden base. With index mark engraved on either side of the base. Premium Quality: Len Holder is made of high grade construction all the way through, excellent
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