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
Ct Controller, Output: 2 X Stepper Motor Controllers, Bipolar, 5 V, Max. 2 A, Supply Voltage: 100-240 V, 50/60 Hz, Power Consumption: Max. 50 Va, Dimensions: 155X170X315 mm3, For Operating The Two Stepper Motors For The Linear Motion Axis And The Rotation Axis Of The Ct Scanner.
Wave Apparatus - Plastic, Demonstrate Longitudinal And Transverse Waves, Advanced Apparatus Demonstrates Both Longitudinal And Transverse Wave Motions. Consisting Of A Number Of Eccentric Discs Supporting A Series Of Metal Rods Revolving On A Handle