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STL file Simple crossed wire band US sizes 5to9 3D print model・3D printing model to download・Cults
STL file Simple crossed wire band US sizes 5to9 3D print model・3D printing model to download・Cults
Under The Wire
a biprism experiment, the slit is illuminated by med light of wavelength 6400 Å and the cross wire of eyepiece is adjusted to the centre of 3rd bright band. By using blue