US$ 30.00
showing how inclination shifts from horizontal at the equator to vertical at the poles
Designed to make electric field lines visible
5-inch plate-and-rod assembly with central mass
Designed for Bunsen burner support
110 ohms at 1-ohm resolution
Superior Wooden Test Tube Support, 12-Place Entomology & Zoology_Entomology Supplies showing how inclination shifts fromTwelve place hardwood test tube rack combining ten 19 mm holes and two 25 mm holes with twelve draining pins for mixed size storage and inverted drying on the bench.
US$ 30.00
US$ 85.00
US$ 49.00
US$ 49.00
US$ 49.00
US$ 39.00
US$ 49.00
US$ 35.00