US$ 24.95
a pulley-loaded weighted string
supplying the imperial-length counterpart to the 300mm metric lead for inch-scaled bench setups
Slotted with a central well on each glass
producing the nearly uniform field used to calibrate magnetic sensors and verify the Helmholtz geometry
and a removable cord post
Steel Ball Bearings, 13mm, 10-Pack Waves & Oscillation_Wave Motion a pulley-loaded weighted stringTen pack of 13mm precision machined steel ball bearings for projectile launchers, roller coaster simulations, and Newton's second law apparatus in mechanics experiments.
US$ 24.95
US$ 155.00
US$ 155.00