Mercury light source, 20W low pressure discharge lamps for spectral work. Delivers approximately 100 lux at 20 cm with prominent lines at 434.7, 546.0, 577.0, and 579.1 nm as well as many faint lines.
Economical laser pointer, are useful for many optical experiments, Lasers operate on a push-button switch, are housed in a rubberized aluminum pen-style case, and include a pocket clip. Also includes a proprietary clip that is designed to hold laser button during experiments
Laser Diffraction Kit, lets students create, view, and measure diffraction and interference patterns, kit includes two laser pointers-red and green - along with a convenient mounting base and a slide set of diffraction objects
Economical laser pointer, for many optical experiments, Lasers operate on a push-button switch, are housed in a rubberized aluminum pen-style case, and include a pocket clip, Also includes a proprietary clip that is designed to hold laser button during experiments, 6x0.5 inch