Round Convex Glass Mirror, 100mm Diameter, 150mm Focal Length Plastic Labware_Plastic Burettes Drops a dense object and

Drops a dense object and a feather together inside a 20-inch evacuated glass tube

Two rectangular slots accept square or round rods up to 16 mm in this aluminum alloy multipurpose clamp holder

Turning the hand crank walks students through every stage of the 2-stroke gasoline firing cycle on a 14-inch model

and follicles on a mounted base for dermatology teaching

and 500mm focal lengths for comparative refraction experiments

Round Convex Glass Mirror, 100mm Diameter, 150mm Focal Length Plastic Labware_Plastic Burettes Drops a dense object andGlass convex mirror at 100mm diameter and 150mm focal length, the wider face brightening divergence demos while still producing reduced upright virtual images.