Copper Specific Gravity Cylinder with Hook Category_Lab Equipment a battery-free source of partial

a battery-free source of partial vacuum for bell-jar demonstrations without external power

this premium calorimeter delivers accurate specific-heat and heat-of-reaction measurements

Square-section aluminum tube 1 meter long with side graduations and four sliding riders

Aluminum 40cm precision force table with tapped pulley positions and central ring assembly for resolving and composing force vectors under equilibrium conditions

Copper Specific Gravity Cylinder with Hook Category_Lab Equipment a battery-free source of partialCopper 2 by 0. 5 inch specific gravity cylinder with a top hook for density and specific heat work, a distinctive density reference against the lighter aluminum and heavier steel cylinders.