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BACH, C. *Die Maschinen-Elemente. Ihre Berechnung und Konstruktion unter Berücksichtigung der neueren Versuche*, 2 vols., Leipzig (Alfred Kröner) 1908. Large in-8°, half-shagreen with corner pieces, marbled covers. Vol. 1: xxiv + 952 pp. with 921 figures in the text; Vol. 2: atlas of 64 double-page plates + 32 pp., tables, and advertisements. Stamps of Hans Bolza and Benno Bolza on the title pages. Provenance: library of Hans and Oscar Bolza, then passed down through the family.
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