Traité De Gnomonique Premiere Partie Contenant L’Introduction à cette Science Plusierus pratiques de Geometrie et Les Tables necessaries à la construction des Cadrans; Traité De Gnomonique Seconde Partie Contenant La construction detoutes Sortes de Cadrans Avec la Description des arcs des Signes, des heures Italiques Babiloniques et Antiquesetc.; Traité De Gnomonique Troisieme Partie Contenant La description de plusierus Cadrans portatifs et curieuse tant au Soleil qu’a la Lune et aux Etoiles

[Paris]: Author, 1700. Full leather. 8vo. Modern quarter red morocco binding with on marble boards. Collation: Premier Section- [2], 52, [14 – 7 engraved tables dated Paris 1716] pp., [2- Blank]; Seconde Partie- [2], 72, [5] pp.; Troisieme Partie- [1], 60 pp. + numerous diagrams throughout and 17 page table in Premiere Partie. There is extensive treatment of sundial theory, geometry, application, and construction and application of different cadrans (sundials). It is copiously illustrated with accurate finely executed drawings. The last part of the manuscript discusses and illustrates the use of portable and curious types of dials that could by use when making observations sun off surfaces, separate dials for use with moon, or stars. The use of two hands as a dial for determining time is also covered in a separate section.
This is a rare and thorough treatise for dialing with little evidence of author. No reference to the title could be found checking numerous reference sources. The date of 1700 on the title pages for each section may be accurate. However, the printed geographical tables for longitude and latitude inserted as part of the first section have a date of 1716. Very Good. Item #0000629

This is a rare and thorough treatise for dialing with little evidence of author. No reference to the title could be found checking numerous reference sources. The date of 1700 on the title pages for each section may be accurate. However, the printed geographical tables for longitude and latitude inserted as part of the first section have a date of 1716.

Price: $3,800.00

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