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1866. [Hough, George Washington (1836-1909).] The Swedish tabulating machine of G. & E. Scheutz. In Annals of the Dudley Observatory 1 (1866): 116-126, plate. Whole volume. lxvii, 126, [2], 126pp. 16 plates. 227 x 142 mm. Morocco spine, cloth boards in antique style. Tabulating machine plate and last leaf repaired, light toning, library stamp and perforations on title, but very good. First Edition. A description of the Scheutz Difference Engine no. 2, constructed by the Swedish father-and-son team of Georg and Edvard Scheutz and completed in October 1853, and acquired by the Duley Observatory in 1857. The Scheutzes were the first...  more information