Metal cylinder with an americium (Am241) source in the top fitting. Metal cylinder with an americium source 1969
X-ray fluorescence spectrometer and accessories constructed for archaeological analysis, 1969 X-ray fluorescence spectrometer and accessories 1969
"Milliprobe" X-ray fluorescence spectrometer (wavelength dispersive) for analysis in archaeology, made by E.T. Hall and Littlemore Scientific Engineering Co., Oxford, 1963 "Milliprobe" X-ray fluorescence spectrometer (wavelength dispersive) for analysis in archaeology 1963