Instrument for drawing conic curves, in mahogany case, 11" x 3 1/2" x 1 1/2", made by Amado Laguna de Rins (S.A.) Zaragoza (no pen in case) with patent specification no.342 893 (1931) also descriptive pamphlet (18 pp) "El Rotografo de las Conicas" by D. Antonio G. Navascues
- Object Number:
- The Reverend Father Faustine Oses.
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