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
Test Tube, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 150x18mm, rimless, Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks, capacity: 25 ml, PK24