Vibration Generator, Variable Frequency From 1 Hz To 300 Hz,Vibration Generator Provides The Electronically Controlled Vibrations To Generate The Tender Ripples. This Can Work On Square Wave Generator Of Amplitude Adjustable Upto 12V Max & Is Able To Deliver 15 Watts Of Power.
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