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ESAW’s export-quality geometric figures are durable
and optical training modules
and technical drawing labs
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Buy Pohl’s Commutator – ESAW EEC-9601 | Educational & Research Grade abacus sm-3767 links-group-inv h5 { color: #1f3a4eESAW Pohls Commutator (Catalog No. EEC 9601) is a high quality, insulated rotating commutator used in advanced electromagnetism experimentsespecially to study hysteresis effects. Built with a robust moulded plastic base and six mercury cups, it ensures high insulation and reliable current reversal. Diagonal connecting strips and a contact arm with an insulated handle offer precision and safety during demonstrations. Perfect for science demonstrations