Codex is a workbook covering various topics for the period 1661 to 1664. Editors confuse the pagination and the foliation in their citations, violating their own scheme for how they would deal with the two once the book was renumbered in 1928 see OC 16: 435 n.2. also paginated in lower outer corner adjunct material, 8 ff. Foliated in the upper right corner, including inserts, 125 + 4 ff. However, the binding proved too tight, and during the restoration project of 2003-6, after more extensive repairs of the papers, a new spine was made with synthetic parchment.īook bound in goat parchment, 315 x 205 x 30/ 323 x 220 x 30 mm, titled "B" on the cover by Huygens. The spine of the book had been rebuilt in an earlier restoration, and in a 2002 project loose quires at the front of the volume were resewn without dismantling the binding, in the hopes of minimizing intrusions. 137-146 are drafts of letters and the whole section is written upside down, back to front. Codex is a workbook covering various topics for the period 1663 to 1668. also paginated in lower outer corner adjunct material, 10 ff. Foliated in the upper right corner, 146 + 1 ff. The book was restored and rebound some time after the completion of the Oeuvres Complètes, because folios cited by the editors as inserts are now bound in and given bis numbers.īook bound in goat parchment, 320 x 210 x 35/ 327 x 218 x 40 mm, titled "C" on the cover by Huygens. Codex is a workbook covering various topics for the period 1668 to 1673.
102, now crossed out) adjunct material, 4 ff. also paginated twice, in lower outer corner and in the upper right corner (odd pages only after p. Foliated in the upper right corner, 219 + 9 ff. Part of the original bequest.ĭuring the restoration project of 2003-6 an older repair was removed, the book was resewn, and the cover was reinforced before being reattached.īook bound in half leather, 330 x 205 x 35 mm, called "Book D" by Huygens. Codex is a workbook covering various topics for the period 1680 to 1688. also paginated in lower outer corner adjunct material, 4 ff. Foliated in the upper right corner, including inserts, 179 + 2 ff.
#DE CIRCULI MAGNITUDINE INVENTA LENS ARCHIVE#
The COHU metadata offer a concordance between the physical archive and the Oeuvres complètes.īook bound in goat parchment, 335 x 210 x 30/ 340 x 220 x 45 mm, titled "F" on the cover by Huygens. The book contains valuable information about the archive that is not in the Leiden University Library's catalogue.ĭirect link between famous Oeuvres complètes and archive This is the most authoritative overview and the outcome of 20+ years of hard work. This offers the possibility of an advanced search for specific topics, etc.įor a large part the metadata are taken from Joella Yoder’s catalogue. These groupings are all described with detailed metadata. In each codex the scans are offered in smaller groupings ranging from 1 to several dozen folios each. 52 codices as main entrances, enabling an overview of the archive as a whole.
#DE CIRCULI MAGNITUDINE INVENTA LENS FULL#
With COHU the full archive's contents are now easily accessible for the first time.ĬOHU is logically organized in the same way as the original archive, i.e. Joella Yoder in her Catalogue of the Manuscripts of Christiaan Huygens (Brill, 2013). More recently, the Codices Hugeniani were described in detail by Dr. The contents of the archive have been made partly accessible through the well-known Oeuvres complètes (a 19-volume 19th Century reference work). After 1800, the legacy was further enriched by manuscripts and letters from family property, amongst others a large number of letters from Huygens' father Constantijn (1596 - 1687).įor over three centuries, many scholars have made the Codices Hugeniani the object of their research. Shortly before his death in 1695 Huygens bequeathed a large part of his scholarly papers to Leiden University Library. He is famous for his discovery of the rings of Saturn and its moon Titan, and for inventing the pendulum clock. He published major studies on mechanics and optics, and a pioneer work on games of chance. Huygens was a prominent Dutch mathematician, astronomer and physicist. The archive includes notebooks and loose leafs with texts in the field of astronomy, mechanics, mathematics and music, as well as correspondence and annotated books. Codices Hugeniani Online (COHU) offers the fully digitized archive of Christiaan Huygens (1629 - 1695), held at Leiden University Library.
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