Conical Conductor, 10 x 5cm Category_Glassware Diamond lattice kit with 39

Diamond lattice kit with 39 carbon atoms and 60 connectors for building the tetrahedral covalent network that gives diamond its exceptional hardness and optical properties

Base-mounted 2-stroke diesel engine model in aluminum and plastic

Classroom-wide polling clicker system enabling real-time student response during lessons

demonstrating gyroscopic precession

Glass tube 33 inches long with a cork piston riding on a stable wooden base

Conical Conductor, 10 x 5cm Category_Glassware Diamond lattice kit with 39Ten centimeter brass cone on an ebonite insulator and metal base, demonstrating that electrostatic charge concentrates most densely at the tip where surface curvature is highest.