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

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

This is chromium wire that can be used in many applications in the classroom or lab

this two-gap Wheatstone bridge is the standard student apparatus for resistance comparison and verification

used to demonstrate capacitance and the discharge of stored static charge

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.