PTFE-Coated Alnico Magnetic Stir Bar with Pivot Ring, 30 x 8mm Chemical_Standard Buffer CLASS A || Class A

CLASS A || Class A with 34/35 joint size

Gallon supply of 5 percent polyvinyl alcohol solution

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

including the four 2016-named elements (Nh

5N dynamometer to measure the magnetic-braking force quantitatively

PTFE-Coated Alnico Magnetic Stir Bar with Pivot Ring, 30 x 8mm Chemical_Standard Buffer CLASS A || Class APTFE coated Alnico magnetic stir bar measuring 30 by 8 mm with a center pivot ring, resisting chemical attack while maintaining stable rotation on laboratory stir plates.