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Processing and Calibration of the Photographic Plate
Analysis of Aluminium and Aluminium Alloys
Analysis of Lead and Lead Alloys
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accuracy added inductance aluminium alloys antimony average value beryllium British Non-Ferrous Metals calibration curve cast Chem chemical analysis clear plate deflection Co80er mould collimating lens composition copper Current 6-0 amps density determination of magnesium diameter direct comparison method dish Duralumin Duralumin-type alloy effect electrodes emulsion Exposure 45 secs galvanometer deflections graphite Hilger Ilford Ordinary impurity lines intensity ratios internal standard method iridium iron mould Kodak laboratory line pair log ratios manganese measurements metallurgical history Metals Research Association microphotometer mins Non-Ferrous Metals Research opacities Panel pencils percentage photographic plate plate calibration platinum pre-sparking period range relative intensities Reproducibility Tests results obtained rhodium rror samples for analysis Silicon simple condensed spark spark discharge Spark gap spectra spectrographic analysis spectrographic method spectrum background squeegee standard alloys standard deviation standard errors temperature type of spark variation wavelength Y-alloy zinc