Human Respiratory System Model, Half Life Size, with Head, Throat, and Lungs Ag Mechanics 3 inches wide with a

3 inches wide with a 1-inch spout

Demonstrates relative planetary motion on a 13-inch three-dimensional solar system model with a 5

this clear dial provides a readable face for measuring angular displacement in physics setups

1000mL CAPACITY || Single Erlenmeyer Flasks with 1000mL capacity and easy-to-read white enamel graduations every 200mL

75-inch plano-convex lenses in an aluminum frame

Human Respiratory System Model, Half Life Size, with Head, Throat, and Lungs Ag Mechanics 3 inches wide with aLongitudinal head throat lung cross section reveals the full air pathway from nostrils through trachea to alveoli at half life size for respiratory teaching.