US$ 149.50
One-inch brass ball that threads onto a pendulum string as a heavier metal counterpart to aluminum or steel balls in mass-dependent periodic-motion investigations
this 20mm-diameter steel helix carries longitudinal
Highly useful for the wave demonstration
one fitted with an exploder piston for impulse experiments
illustrating linear thermal expansion
Air-Cooled Rheostat, Model C Glass Bottles_Reagent Bottles One-inch brass ball that threadsAir cooled rheostat with extended tube ventilation, dissipating heat across the slide bar carriage during sustained high current circuit work in physics laboratory demonstrations.
US$ 149.50
US$ 39.99
US$ 66.00
US$ 1197.00
US$ 91.00
US$ 42.99
US$ 374.00
US$ 35.99
US$ 45.36