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commutator & axle assembly
Premium Quality: Electroscope is made of high-grade construction all the way through
7 at 20°C
Detailed Anatomy: Composed of 7 parts
15 Piece Sedimentary Rock Collection commutator & axle assemblySpecimens measure 1 1 2 x 1 1 2 inches (L x W). Sedimentary rock collection for geological study. 15 representative sedimentary rock specimens for detailed examination. Number coded with key sheet for identification. Compartmented tray for display and storage. Premium Quality: This item is made of high quality, heavy duty and durable materials. Designed for use in classrooms, household and educational settings. If you need custom order with different
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