A GROUP OF FIVE 20TH CENTURY SCIENTIFIC INSTRUMENTS AFTER THE 16TH AND 17TH CENTURY ORIGINALS The group comprising: a 70mm. diameter gilt brass nocturnal with later engraved signature Christoph Treschler 1603 ; a 93 x 64mm. gilt copper horizontal dial with later punched signature VS 1576 [Ulrich Schniep]; a 113 x 113mm. gilt copper horizontal dial with later engraved signature OHP AVCTOR 1547 [Ottheinrich Herzog Von der Pfalz]; a 165 x 67m. gilt copper hour conversion table with later engraved monogram AD and punched date 1623 ; an unsigned 52mm brass altitude dial. 6 ½in. (16.5cm.) the widest Provenance Probably Philip Joseph van Alfen (1894-1969)
A GROUP OF FIVE 20TH CENTURY SCIENTIFIC INSTRUMENTS AFTER THE 16TH AND 17TH CENTURY ORIGINALS The group comprising: a 70mm. diameter gilt brass nocturnal with later engraved signature Christoph Treschler 1603 ; a 93 x 64mm. gilt copper horizontal dial with later punched signature VS 1576 [Ulrich Schniep]; a 113 x 113mm. gilt copper horizontal dial with later engraved signature OHP AVCTOR 1547 [Ottheinrich Herzog Von der Pfalz]; a 165 x 67m. gilt copper hour conversion table with later engraved monogram AD and punched date 1623 ; an unsigned 52mm brass altitude dial. 6 ½in. (16.5cm.) the widest Provenance Probably Philip Joseph van Alfen (1894-1969)
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