Eisco Labs Boyle's Law Apparatus for Visual Study of Air Pressure and Volume of Gas

Mounted on durable metal base Total height 8.3" Manometer dual scale is from 0 4 x 105 Pa and 0 58 PSI with needle set at atmospheric pressure Requires 1.5 v AA battery for operationYou may also like MURLIN Trebuchet - DIY Kit - Explore Projectile Motion, Gravitational Potential Energy, Velocity, Motion & Stability - Garage Physics by Eisco.