Description
and home reading
this 80mm steel needle in a 6mm rod doubles as a precise alignment reference for image-formation and ray-tracing setups
Pea seed germination model traces cotyledon splitting
2A rheostat with oxidized constantan winding on a 300x44mm vitreous-enameled tube
packaged in a hard plastic case with standard-size pieces
Hollow Acrylic Semi-Circle for Refraction Index Study, 3 x 1.5 x 1.75" Subject_Anatomy and home readingAcrylic semi circular block measuring 3 x 1. 5 x 1. 75 inches with a center indicator line, used to study Snell's law, total internal reflection, and critical angle behavior.
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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