Gravitational Torsion Balance Replacement Spheres • AP-8219

U.S. Educator Price

$849

Replacement Spheres and collars for the Gravitational Torsion Balance (AP-8215A). Designed to convert to Tungsten while maintaining the proper large sphere dimensions.

Product Summary

Update your old system with replacement spheres and collars for the Gravitational Torsion Balance. Designed to convert to tungsten while maintaining the proper large sphere dimensions.

Includes two ring adapters to position the more dense tungsten balls at the same height as the lead balls being replaced.