US$ 97.00
2A with oxidized constantan winding on a vitreous-enameled steel tube and three binding posts
constantan
Five-cylinder equal-mass set at 30g each in zinc
this three-finger lab clamp pairs vinyl-coated prongs with a swivel bosshead for flexible rod mounting
Four-times enlarged premium ear model with five separable sections exposes detailed outer
Laplace Apparatus Science at Home_Earth Science 2A with oxidized constantan windingPivoted conductor demonstration of the Laplace force, showing the deflection of a current carrying wire through a fixed magnetic field via 4mm safety sockets.
US$ 97.00
US$ 161.00
US$ 125.00