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Joint Photographic Experts Group Image  |  2000-09-11  |  29KB  |  420x306  |  8-bit (256 colors)
Labels: paper
OCR: tungsten Pyrex or nickel tip Nonex nichel tip welded on sleeve prevent wire from out slipping larder diam copper foil copper foil Support wrapped removed clectrode around wir alumi inum wire electrode tube drawn dmup copper wire pud sho second into clectrode place for second aluminom down here