Mercury light source, 20W low pressure discharge lamps for spectral work. Delivers approximately 100 lux at 20 cm with prominent lines at 434.7, 546.0, 577.0, and 579.1 nm as well as many faint lines.
KidWind Chipboard Sheet, stiff, easy to cut, lightweight, low cost, and recyclable material used to make simple wind turbine blades, Length: 12 in, Width: 3 in, Thickness: 1.5 mm
KidWind Balsa Blade Sheets, very lightweight and stiff, and it is perfect for making experimental wind turbine blades, for College, High School, and Middle School Science, Pk100
KidWind Wind Turbine Hub, ten-pack of 12-hole crimping hubs, made from recycled plastic, allows you to turn any DC generator into a wind turbine, Diameter: 2.25 in, Maximum number of dowels: 12, Size of shaft hub press fits onto: 2 mm
Steel Support Ring Stand with 3 Rings, Base 20 x 12.5 cm, 800 g, Rod 500 x 12 mm dia, Support rings 75 mm, Support rings 100 mm, Support rings 125 mm, Contains base, rod, and 3 retort rings for lab experiments
Cast iron inAin shaped base with 28cm long legs. Base has durable powder coat finish, can be nested with others of the same size. Steal rod is 75 cm long rod that is 11 mm in diameter.
Test Tube, PYREX* 3mL, 10x75mm, are made from special tubing to give the optimum wall thickness. They are well annealed, resistant to heat and chemically stable. These tubes have a white marking spot. Beaded rims are fire-polished.
Premium Bosshead - Metal, Industrial Series Mini All Metal Bosshead Clamp, up to 15 mm rods, Threaded metal one piece clamping screws, Holds rods orthogonal (90 degrees) to one another, carry heavy loads and prevent torque damage
Premium Bosshead - Heavy Duty, Industrial Series Heavy Duty Powder Coated Bosshead for rods up to 16 mm, Thicker than normal 7 mm threaded clamping screws, Thicker casting to support more load, Accepts up to 16 mm rods, Made of high strength powder coated alloy