Double-Hooked Iron Weight, 1000g Heat & Thermodynamics_Pressure & Gas Laws 55mm diameter on a 125g

55mm diameter on a 125g reel

calcium nitrate

5 by 4-inch ventilation apparatus modeling historic mine-gallery airflow and domestic chimney convection through a candle-driven hot-air-rise demonstration

CA Prop Warning Statement: WARNING: This product can expose you to chemicals including Phenolphthalein

configurable for compound-pulley force-reduction experiments

Double-Hooked Iron Weight, 1000g Heat & Thermodynamics_Pressure & Gas Laws 55mm diameter on a 125gOne kilogram solid iron double hooked weight with attachment points on both sides for stacking additional masses in physics experiments on force, mass, and equilibrium.