Large Needle Electroscope, 1.5lbs, 7.0x6.0x4.0 in, ideal for classroom demonstrations of electrostatic principles, A light-weight metal vane, used as a pointer in the electroscope. A transparent scale, provided to measure the angle of the deflection
Rh-Antisera, 50 Students, Synonyms: Anti-Rh(D), Monoclonal Antibodies, Appearance: Liquid, Blue (Anti-A) or Yellow (Anti-B) or Clear (Anti-D), size: 5 ml