Replacement Spheres and collars for the Gravitational Torsion Balance (AP-8215A). Designed to convert to Tungsten while maintaining the proper large sphere dimensions.
At PASCO scientific, our thoughts are with you and our employees during this unprecedented time due to COVID-19. To reduce possible exposure to COVID-19, our employees are working from home and have reduced the work week by closing on Fridays. We will continue to provide customer support from 7:00 AM to 4:30 PM PST Monday-Thursday. Check out our new resources to support Distance Learning for teachers »
