Bimetallic Thermostat Switch Model Capacity_17mL illustrating how current direction and

illustrating how current direction and field together produce force

Single-degree graduations and a non-magnetic plastic case allow this 100mm tangent compass to mount on any tangent galvanometer for precise direction-and-deflection readings

Dual metric and imperial markings on this PVC-coated fiberglass thirty-meter tape measure

Studies the simple harmonic motion of a torsional pendulum through a 22

Bimetallic Thermostat Switch Model Capacity_17mL illustrating how current direction andVertical bimetallic strip thermostat model wired through binding posts and adjustable contacts, illustrating how differential thermal expansion makes and breaks a low current circuit.