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| Trapezoid Prism Item number PATRAP. Regularly stocked item. Usually ships within 3 to 5 business days. United Scientific |
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Clear acrylic trapezoid, with one flat surface frosted to enhance visibility. Bases are 89mm, and 40mm. Faces measure 47mm, and 35mm. Trapezoid,Acrylic |
| Demonstration Lens Sets, Glass The set contains 6 lenses... grades 8 to 12 more |
save 50% $8.05 
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| Demonstration Lens Sets, Glass The set contains 6 lenses... grades 8 to 12 more |
save 50% $11.05
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| Demonstration Lens Sets, Glass The set contains 6 lenses... grades 8 to 12 more |
save 50% $13.55
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| Demonstration Diffraction Grating Demonstration slide has t... grades 8 to 12 more |
save 50% $21.55
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