Description

Pairs 74mm of length with a 50mm hypotenuse on a polished acrylic right-angled prism

Five-cylinder equal-mass set at 30g each in zinc

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and crater within internal rock layers

contractile vacuoles

Glass Lens Set, 2", 6 Optical Types Pack Size_6 Pairs 74mm of length withGround, polished, and packaged as a single optics kit, this six lens glass set covers double convex, double concave, plano convex, plano concave, and concavo convex forms for classroom work.

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Glass Lens Set, 2", 6 Optical Types Pack Size_6 Pairs 74mm of length with

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