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ARCHIVES of Dimitri RIABOUCHINSKY RIABOUCHINSKY, Dimitri (1882–1962) — Autograph • Contribution to Mathematical Methods Applied in Fluid Mechanics. Introduction to the article by D.P. Riabouchinsky. Typewritten text, 1 page of autograph text, with handwritten calculations and formulas. In English, 18 pp., 27 x 21 cm; “Contribution to Mathematical Methods Applied in Fluid Mechanics.” Article by D.P. Riabouchinsky, a copy of a typescript containing handwritten corrections. In English, 15 pp., 28 x 22 cm; The War Department of the United States, a brochure detailing the activities of the U.S. War Department, typescript, 1938. In English, 23 pp., 27 × 20.5 cm. We are including: 6 printed illustrations of experiments, various sizes. ARCHIVE OF DMITRY RYABUSHINSKY RYABUSHINSKY, Dmitry (1882–1962) – Autograph • Contribution to the Development of Mathematical Methods Applied in the Mechanics of Liquids and Gases. Introduction to an article by D.P. Ryabushinsky. Typescript, 1 page of handwritten text; calculations and formulas written by hand. In English, 18 pages, 27 × 21 cm; Contribution to the development of mathematical methods applied in the mechanics of liquids and gases. Article by D.P. Ryabushinsky, a copy of the typewritten text with handwritten corrections. In English, 15 pages, 28 × 22 cm.; The War Department of the United States, a brochure with a detailed description of the activities of the U.S. War Department, typescript, 1938. In English, 23 pages, 27 × 20.5 cm. Included: 6 illustrations of experiments, printed, various sizes.
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