3-Piece Conductor Set, 80mm Diameter Lab Equipment_Scales & Balances 3oz each in a 2-pack

3oz each in a 2-pack for double-sized chemistry-themed drinking vessels

1M phosphate buffer solution maintains physiological pH in biology labs

Large Magdeburg hemispheres demonstrating the force of atmospheric pressure through vacuum-sealed halves that resist tug-of-war separation in classroom-scale physics demos

Aluminum-cased 4-inch plotting compass with a glass face

3-Piece Conductor Set, 80mm Diameter Lab Equipment_Scales & Balances 3oz each in a 2-packEighty millimeter brass sphere, cylinder, and cone on insulated bases, sized for side by side comparison of charge distribution across conductor geometries with curvature variation.