Diffraction Grating Glasses, 500lines/mm, Highly efficient, Single axis holographic diffraction grating lenses separate light from any source into its spectral components for study/analysis, Used with Power Supply/ Spectrum Gas Tubes, Make study of light easy
Diffraction Grating Slides, 1000lines/mm, Highly efficient embossed Holographic Optical Elements, For the direct viewing and analysis of spectra from different gas tubes and other light sources, Use in conjunction with colored film gels, Dimension: 2x2in
Diffraction Grating Slides, 500lines/mm, Highly efficient embossed Holographic Optical Elements, For the direct viewing and analysis of spectra from different gas tubes and other light sources, Use in conjunction with colored film gels, Dimension: 2x2in
Digital To Analogue Convertor, Can Be Powered From The Adc Or From A Separate 12V Power Supply. The Dac Has Dimensions Of 8 X 5 X 2.5 Inches, Converted To 0 To 7V Analogue Output, Demonstrated To Show That Information Is Lost During The Conversion Process.