Helmholtz Coils on Base, 400 Turns, 150mm Diameter Human Anatomy_Human Skeletons & Bones The wavelength can be changed

The wavelength can be changed with the help of variation in frequency & stress generated using different weights on the one end of rope/thread

5-inch stainless steel connecting rod grips apparatus up to 3

supplied with weights and set up to minimize parallax error during spring-extension measurements

supplied with keepers in a cardboard storage box for routine classroom work on field lines

Helmholtz Coils on Base, 400 Turns, 150mm Diameter Human Anatomy_Human Skeletons & Bones The wavelength can be changedPair of 400 turn copper coils on an adjustable base, producing the nearly uniform field used to calibrate magnetic sensors and verify the Helmholtz geometry.