US$ 17.95
this two-gap Wheatstone bridge is the standard student apparatus for resistance comparison and verification
letting students compare output
mounted on a 5-inch stainless steel rod with nontoxic powder-coated zinc alloy
5-200Hz via 4mm plugs
St. Louis Demonstration Motor Racks & Stands_Test Tube Racks this two-gap Wheatstone bridge isUsed 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.
US$ 17.95
US$ 426.50
US$ 17.95
US$ 3499.50
US$ 17.95