Ward's* Pure Preserved* Fetal Pig, Injection Type: Double Injected, Safest specimens, Zero formalin odor, Best classroom experience, best classroom experience PURE Specimens, no presence of harmful volatile, Experience quality with true-to-life, Size: 14in+
Diffraction Grating Slides, 500lines/mm, Highly efficient embossed Holographic Optical Elements, For the direct viewing and analysis of spectra from different gas tubes and other light sources, Use in conjunction with colored film gels, Dimension: 2x2in
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