Polished Wood Insect Storage Box Glass Flasks_Filtering Flasks Demonstrates that electric charge resides

Demonstrates that electric charge resides only on the outer surface of a conductor

10-inch vacuum pump plate on an aluminum base with a stopcock and rubber seal

dimensioned to drop into the PH0652 optical bench for hands-on study of Malus's law and crossed-polaroid extinction

3" (85mm) and an outer diameter of 3

autoclavable and thermal-shock resistant for daily lab use

Polished Wood Insect Storage Box Glass Flasks_Filtering Flasks Demonstrates that electric charge residesPolished wood insect storage box with a clear glass lid and foam lined interior, built for pinning and displaying entomology specimens in a fumigated chamber.