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    Sale 5428

    Travel, Science & Natural History

    23 April 2008, London, South Kensington

  • Lot 291

    A mid-17th-century Italian brass sector

    BY GIOVANNI MACCARI (FL. 1655-89), 1660

    Price Realised  

    Estimate

    A mid-17th-century Italian brass sector
    by Giovanni Maccari (fl. 1655-89), 1660
    circular hinge engraved with flower, silver nail head to centre, side A carrying scales for the regular solids, equal parts, squares and cubes, side B with scales for dialling[?], cords, polygons and metals, silver nail heads to the starbursts for 60° of cords and the hexagons, scale FERRO to edge of one arm, signed Ioannes Macarius Mirandolanus Fecit Romæ Anno 1660.
    9¼in. (23.5cm) folded


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    AN EARLY SECTOR BY MACCARI. Maccari, of Mirandola, is noted, with Giacomo Lusverg (see following lot), for his 'well-constructed instruments enhanced by finely engraved decoration' (M. Daumas Scientific Instrument Makers of the Seventeenth and Eighteenth Centuries and their Makers (London: 1972), p. 66). Maccari's instruments include sectors, proportional compasses, and circumferentors, the majority dating from the latter 1660s to the 1680s and identifying this as an unusually early instrument by the maker. Apart from his work as an instrument-maker, Maccari was also commissioned by the astronomer Giovanni Domenico Cassini to build the sundial in the Basilica of San Petronio, Bologna.

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