Description

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

deflecting a pivoting cobalt-steel compass needle inside a rectangular conductor frame to show that current generates a magnetic field

contractile vacuoles

this 20mm-diameter steel helix carries longitudinal

step-up/step-down ratios

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.

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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Glass Lens Set, 2", 6 Optical Types Pack Size_6 Pairs 74mm of length with

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