Hand-Driven Newton's Color Disc Mechanics_Force & Motion and gas control on natural

and gas control on natural gas for high-temperature chemistry heating applications

Turning the hand crank walks students through every stage of the 2-stroke gasoline firing cycle on a 14-inch model

the four-sided geometry letting students explore deviation through non-equilateral cross-sections

5 inches of nylon bristles for scrubbing glassware up to 4 inches in diameter

Seventy-times enlarged skin cross section reveals epidermis

Hand-Driven Newton's Color Disc Mechanics_Force & Motion and gas control on naturalHand driven Newton's color disc that spins seven painted segments fast enough to merge into apparent white through persistence of vision and additive color mixing.