Description

dimensioned to drop into the PH0652 optical bench for hands-on study of Malus's law and crossed-polaroid extinction

mounted on a 5-inch stainless steel rod with nontoxic powder-coated zinc alloy

magnification

letting students compare output

St. Louis Demonstration Motor Racks & Stands_Test Tube Racks dimensioned to drop into theUsed to teach motor operation through the classic St. Louis open frame, this demonstrator exposes coil, brush, and commutator assemblies for direct observation of each component.

Exchange/Return Notes

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St. Louis Demonstration Motor Racks & Stands_Test Tube Racks dimensioned to drop into the

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