Double-Hooked Iron Weight, 1000g Heat & Thermodynamics_Pressure & Gas Laws sized for bigger submerged specimens

sized for bigger submerged specimens in volume-by-displacement and specific-gravity work

suited to transferring crucibles around open-flame chemistry work

1M NaOH (25

55mm diameter on a 125g reel

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

Double-Hooked Iron Weight, 1000g Heat & Thermodynamics_Pressure & Gas Laws sized for bigger submerged specimensOne kilogram solid iron double hooked weight with attachment points on both sides for stacking additional masses in physics experiments on force, mass, and equilibrium.