St. Louis Demonstration Motor Racks & Stands_Test Tube Racks This unique training system houses

This unique training system houses five different plug-in simulator modules

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

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

Higher-current 1A-to-5A shunt for galvanometer conversion

used to demonstrate capacitance and the discharge of stored static charge

St. Louis Demonstration Motor Racks & Stands_Test Tube Racks This unique training system housesUsed 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.