Generic Ginsberg Scientific Precision Gyroscope  (Multicolor)

Ginsberg Scientific Precision Gyroscope A high-quality, low-cost gyroscope | Runs 3 minutes when string started, 5 minutes with mechanical starter | Brass rotor (6-centimeters) | Dynamically balanced; rotates in adjustable Teflon bearings | Includes detailed instructions Ginsberg Scientific high-quality, low-cost gyroscope. Runs 3 minutes when string started, 5 minutes with mechanical starter. Brass rotor (6-centimeters): Dynamically balanced; rotates in adjustable Teflon bearings. Accessories - a plastic gimbal, rocker and weight set. Includes detailed instructions.