. Buletinul Societatii de Stiinte din Cluj. Science. Bul. Soc. de ?t. Cluj. T. PI. Aparat ?i sistem nou pentru nn?surarea densit?fei Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Societatea de Stiinte din Cluj. Cluj

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscience, bookyear1921