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
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
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
Prism, with different angle 25 degree x 25 degree x 130 degree,Optical Borosilicate Crown glass having R.I. 1.510 App. Optically worked for use with Spectrometer, Equilateral, two facespolished 32 x 32 mm height.Dense Flint Glass Prism. R. Index 1.62, Weight (lb): 4.4, 7.9x7.5x5.1in