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Trinocular ORE Petrographic Polarizing Microscope – Microscope Central
Nikon SMZ745T IVF/ART Stereo Microscope System with Warming Plate Lab Equipment | spectraservices.com
40X-630X Polarizing Microscope, Trinocular, Halogen Light, for Geology, Petrology, Laboratories | Boli Optics Microscope Store
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40X-1000X Polarizing Microscope, Trinocular, Dual Halogen Light, Bright Field, for Geology, Petrology, Laboratories | Boli Optics Microscope Store