Force Pump Mounted on Stand Capacity_17mL Compass mounted parallel to a

Compass mounted parallel to a current-carrying coil deflects against Earth's horizontal field

The waves generated such are demonstrated using linear rope/thread

Stable-resistance 22 SWG bare constantan wire on a 125g reel

10-inch vacuum pump plate on an aluminum base with a stopcock and rubber seal

producing distinct audible pitches at varying spin speeds to relate rotational frequency to perceived sound frequency

Force Pump Mounted on Stand Capacity_17mL Compass mounted parallel to aStand mounted force pump illustrating positive displacement fluid transfer against gravity, pre assembled on a benchtop base for hands on fluid mechanics demonstrations.