US$ 32.50
10-inch vacuum pump plate on an aluminum base with a stopcock and rubber seal
Stable-resistance 22 SWG bare constantan wire on a 125g reel
producing distinct audible pitches at varying spin speeds to relate rotational frequency to perceived sound frequency
controllable flame shape during laboratory heating
Force Pump Mounted on Stand Capacity_17mL 10-inch vacuum pump plate onStand mounted force pump illustrating positive displacement fluid transfer against gravity, pre assembled on a benchtop base for hands on fluid mechanics demonstrations.