Test Vessel, Testing Volume: Approx. 1 Litre, Laser Fixture: 18 mm Dia, Lens: Plano-Convex, F=100 mm, 16 mm Dia, Made Of Transparent Acrylic, With A Lid And A Transducer Mounting For Conducting The Projecting ultrasonic Waves With Divergent Light.
KidWind Dowel, Recommended for College, High School, and Middle School Science, Diameter: 0.25 in, Length: 5 in, used for designing and testing wind turbine blades, and they fit into the KidWind Wind Turbine Hub, D100