Optical Glass Lens for Top Spinning Base, 3" Capacity_500mL this Van de Graaff generator

this Van de Graaff generator delivers spark-producing high-voltage demonstrations in the physics classroom

these plastic forceps provide precision grip for specimen manipulation without damaging delicate tissues or structures

003 mm accuracy at 10 mm

controllable flame shape during laboratory heating

its sectioned carburetor and fuel supply exposing the compression-ignition cycle to a hand-cranked turnover

Optical Glass Lens for Top Spinning Base, 3" Capacity_500mL this Van de Graaff generatorDouble concave glass lens at 3 inch diameter and 200mm diverging focal length, ground to polished beveled edges and usable as a top spinning base in secondary mechanics demonstrations.