These accessories for the basic equipment set (U19205) are intended for additional crystallographic experiments as well as treatments of Moseley's law, the Debye-Scherrer method, Bragg's reflection and material tests. Scope of delivery: 4 foils, Fe, V, Mn, Cr 2 single crystals, KCl, RbCl 5 powder samples, NaF, SiC, NH4Cl, MgO, Al 2 wire samples, Al, Nb (3x each) for Debye-Scherrer experiments 10 polyethylene threads 1 disc for calculating Bragg's angle