US$ 149.50
Three-hundred-thirty-ohm 0
Three-bob pendulum set with 1-inch brass
Adjustable mass on one fork shifts its 440Hz pitch by a few hertz
Dual metric and imperial markings on this PVC-coated fiberglass thirty-meter tape measure
1 ohms to 1 ohm in 0
Bimetallic Thermostat Switch Model Capacity_17mL Three-hundred-thirty-ohm 0Vertical bimetallic strip thermostat model wired through binding posts and adjustable contacts, illustrating how differential thermal expansion makes and breaks a low current circuit.
US$ 149.50
US$ 1999.50
US$ 27.99
US$ 27.99
US$ 19.99
US$ 123.18
US$ 27.99
US$ 27.99
US$ 27.99
US$ 149.58