Hall's Friction Cars, 2-Pack Glass Bottles_BOD Bottles CLASSROOMS & HOUSEHOLD || Superior

CLASSROOMS & HOUSEHOLD || Superior chemical durability and heat tolerance

Designed for liquid-fill Snell's-law work at smaller scale

with thermometer tubulure and glass manometer for calibrating thermometer upper fixed points under steam

brake oil pressure sensor

Hand-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

Hall's Friction Cars, 2-Pack Glass Bottles_BOD Bottles CLASSROOMS & HOUSEHOLD || SuperiorSold as a matched pair for collision and comparison work, these low friction Hall's cars support kinematics, energy, and friction experiments on inclined planes and tracks.