Pyrometer Linear Expansion Demonstration with Aluminum, Brass, and Iron Bars Chemistry Hand-painted arterial red and venous

Hand-painted arterial red and venous blue vessels trace the full systemic and pulmonary circulation across a mounted human figure for cardiovascular teaching

Illustrates high blood pressure effects across brain

Cross wires set inside a 10mm aperture on a 75mm circular black metal screen

Life-size liver model with attached gall bladder shows hepatic lobes

One-meter wooden lever graduated in centimeters on a knife-edge fulcrum base

Pyrometer Linear Expansion Demonstration with Aluminum, Brass, and Iron Bars Chemistry Hand-painted arterial red and venousMetal based linear expansion apparatus with a large dial indicator and three 10 inch rods in aluminum, brass, and iron, letting students quantify expansion coefficients side by side.