Joule's Calorimeter for Specific Heat, 4" Stock Type_Stocked Polypropylene round test tube rack

Polypropylene round test tube rack holding 12 tubes — four at 25 mm and eight at 19 mm — with 360-degree access for benchtop chemistry demonstrations and student experiments

25 inches on a swivel boss head fitting 18mm rods

Numbered life-size human skull model with 55 labeled anatomical features and painted sutures

lets students compare how line density per unit length controls the spacing of the resulting interference pattern

Joule's Calorimeter for Specific Heat, 4" Stock Type_Stocked Polypropylene round test tube rackCarefully lagged nickel plated copper 3 by 2 inch inner cup inside a 4 by 2. 75 inch outer vessel, ebonite lid with stirrer, 4mm sockets, and a 6 constantan coil for Joule heat work.