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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
ensuring long-lasting performance
the set of 24 igneous rock samples arrives ready for exploration and educational adventures
Accurate Classification: Cross-references ISCC-NBS color names with Munsell alphanumeric notations for precise color communication
and volumetric determinations
Horseshoe Electromagnetic ensuring long-lasting performanceLarge Electromagnet, Dissectible, Deluxe. Designed to demonstrate the basic operation of simple electromagnets. Comprises of two coils, U shape iron core and an armature. On outmost layer of the coils are several turns of plastic coated wires, indicating the winding direction of the coil. Each of the coils has two terminals which can be connected in series or in parallel. When used on 4 6 volt, 1 Amps in parallel the armature can bear a load of more
