US$ 16.99
Reel of 250-foot 24 SWG nichrome resistance wire
Twelve-ball drilled set in a foam-lined plastic case with two each of aluminum
Twelve-position rotary capacitance substitution box selecting one capacitor at a time
Hand-cranked 4-stroke gasoline engine model at 13
Reproduces Ewald von Kleist's 1745 charge-storage device with concentric metal cups around a plastic dielectric
Aluminum Inclined Plane Lab Equipment_Lab Burners Reel of 250-foot 24 SWGAluminum inclined plane with integrated vertical, angular, and hinge distance scales adjustable from 0 to 45 degrees, sized for acceleration, friction, and free fall investigations.
US$ 16.99
US$ 64.97
US$ 39.50
US$ 14.97
US$ 79.00