Conical Conductor, 10 x 5cm Category_Glassware Base-mounted 2-stroke diesel engine model

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

Pointed three-arm metal star on a 4mm socket pivot

Cubic 16 by 16 by 16 cm footprint defines this autoclavable polypropylene test tube basket

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

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

Conical Conductor, 10 x 5cm Category_Glassware Base-mounted 2-stroke diesel engine modelTen 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.