Baseline* Windmill Type Spirometer, Compact, lightweight spirometer for screening large populations, Indicator registers forced vital lung capacity up to 7 liters, Comes with 50 plastic mouth pieces, Dimensions: 3.5 X 3 X 3.5 in, Weight: 2 lbs
Dynamics System, includes low-friction carts, a track, leveling feet, and sensor mounting hardware. Use for kinematics and dynamics experiments, and add related equipment to study optics, color, diffraction
Rectangular Block - Glass, Made from imported optical glass with optically worked surfaces, All angles accurately worked with edges slightly bevelled and glass free from bubbles, Size 75 x 50 x 12 mm