Periodic table of spectra makes it clear to students that each element has its own spectral fingerprint, Poster Heading: Emission Spectra of Elements, Size: 24 x 36in
VWR* Visual Scientifics Photogate Sensor, Four Modes: Gate, Pulse, Pendulum, Frequency, also Works with VISUAL SCIENTIFICS and numerous physical science systems, This kit contains: 2 Photogates, 2Connecting wires, Main photogate hub and control, Wall charger
Tangent Galvanometer, Features copper magnet wire, adjustable potentiometer, compass and non-magnetic stand. Measure an electric current by determining the magnitude and direction of the horizontal component of Earths magnetic field