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Design from the mathematicians with the abstract quality of 1950s Modern Art
Design from the Mathematicians. By Prof. Baravalle. Portfolio N.1 1950. Page 24-25. A family of lines tangent to a parabola. Concentric circles and parallel tangents. Logarithmic spirals. A triangle inscribed with straight lines. These designs have the abstract quality of modern art.
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This work, published in the United States from 1928 to 1963 fell into the Public Domain because the copyright was not renewed with the Copyright Office during the 28th year after publication.
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