. Graphical and mechanical computation. ■t -IJV ^^ uonanjKuco jo pomsm joj -Eg-o nSnojqj |3|n>jBd am 81101E ppj n^ 19-0 = x joj •» -s lairas iisiuud aqj o)pi^jEd au!puodraJJOD am SuoiE ppj sninpoui Am p ojcds c jas oi ■011 = sn|n^m e SEq n^ = i airas ,tremud aqx 8 N siooa sHvafts ao saivos. N. B. The primary Kale, i = u, has a modulus m = l in. To get a scale of any modulus, fold along the corresponding parallel ^^ to the primary scale;-«. (., for x = u, fold along the parallel through For method of construction see Art. J. I

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