GBP 371.00 Electron Diffraction Tube D Highly evacuated electron tube for determining the wavelength of electrons as a function of the anode voltage from the radii of the ... Item: U19171

GBP 341.00 Electron Diffraction Tube S ... through a poly-crystalline graphite lattice (Debye-Scherrer diffraction) and rendered visible on a fluorescent screen. Also intended ... Item: U18571