Description
chosen as a density-and-hardness comparison kit across common structural wood species
and edge-polished
Test tube with side arm in borosilicate glass measures 125 x 16mm for gas collection
Pack of 6 low-form beakers in borosilicate 3
environmental chemistry
Premium Diffraction Grating, 300 Lines/mm Size_55 x 13mm chosen as a density-and-hardness comparison300 lines per millimeter produces sharp diffraction spectra from white light and laser sources for wave optics coursework and spectroscopy demonstrations.
Exchange/Return Notes
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- Final sale items are not eligible for returns or exchanges.
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