Spectrum Discharge Tube, Mercury Gas to show spectral lines of pure substances. Tubes approximately 260mm long, central capillary portion approximately 3-1/2 to 4 (90-100mm) long with electrodes sealed at both ends and connected to lead wires protected by metal caps
Color Mixing Demonstrator, Fun Topic Which Is Further Amplified By This Color Mixing Table Apparatus, There Are Three Separate Leds, Red, Blue, Green Which Are Controlled Each By A Separate Potentiometers, Leds Can Be Projected Onto A Piece Of Paper Or Wall
Spectrometer Advanced, Prism Table: The Table Is Marked With Lines To Assist Placing The Prism With Respect To The Table Leveling Screws, Scale, Collimator, Telescope, Mass: 11 Kg.
Educational Diffraction Slide, For Demonstrating The Principle Of The Diffraction Grating And The Way In Which Its Properties Are Dependent Upon The Number Of Lines Per Unit Length. Comprises A Card Mount 90 X 40 mm Approximately With Three 16 X 9 mm Apertures
Rectangular Block - Glass, Made from imported optical glass with optically worked surfaces, All angles accurately worked with edges slightly bevelled and glass free from bubbles, Size: 125 x 65 x 18 mm