Ct Measuring Trough, Material: Acrylic, Thickness Of Sides: 4 mm Approx, Dimensions: 430X150X150 mm3, Made Of Thin Transparent Plastic, Includes Several Special Fittings For Attaching And Connecting ultrasonic Sensors To The Sides Of The Trough.
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