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These are hexagonal weights made of cast iron with a lifting ring
Sulphate <5
Premium Quality: Horseshoe Electromagnetic is made of high-grade construction all the way through
Use it to teach student electrical knowledge
With protective circuit of silicon diode on meter outfit
Rheostat Resistance DNA Model These are hexagonal weights madeDifferent Rheostats: Rheostat 4. 5 Ohm Rheostat 16 Ohm Rheostat 20 Ohm Rheostat 135 Ohm Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.
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