Center of Gravity Demonstration Kit Electricity & Magnetism_Electromagnetism & Motors Rolled-rim parallel-sided copper calorimeter at

Rolled-rim parallel-sided copper calorimeter at 4 inches tall by 2

the standard frequency for hearing-test calibration

and great vessels on a mounted base for cardiology and anatomy teaching

the largest of the chrome-and-Alnico bar series for full-class field-line demonstrations

5 inch dynamics carts in solid wood and aluminum with nylon ball-bearing wheels

Center of Gravity Demonstration Kit Electricity & Magnetism_Electromagnetism & Motors Rolled-rim parallel-sided copper calorimeter atCenter of gravity kit demonstrating how objects balance at their center of mass, a compact apparatus for introductory work on equilibrium and balance.