solar furnace, simple device gives a graphic demonstration of the suns radiative energy, large convex mirror concentrates solar radiation onto a small container of water suspended at the mirrors focal point. In a few minutes, the water boils
Electroscope Needle, Great For Hands On Experience With Electrostatic Principles In Physics Classrooms And Labs. The Sheet Metal Walls Of The Electroscope Are Attached To A Plastic Base And Top. Front Glass Window Slides Up To Allow Insertion Of Ionizing Material In Chamber
Wheatstone Bridge One Meter, with jockey, Two - Gap, broad, heavily plated brass strips mounted on polished hardwood base, heavily plated brass strips mounted on polished, Terminals with 4 mm sockets are provided, Dimension: 1.13x80x50mm