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
Force Board Kit, Compact & Low Maintenance. The Back Board Is Hard-Wearing With A Printed Grid And Is Bench-Standing. Detachable Feet For Easy Storage Ball, Provides The Teacher With A Simple Solution To Demonstrate The Principles Of The Parallelogram And Polygon Of Forces.
List View
Easy View (new)
