- Rotating bookmark
Rotating bookmarks were a special kind of
bookmark used in medieval Europe. They were attached to a string, along which a marker could be slid up and down to mark a precise level on the page. Attached to the marker was a rotating disk that could indicate the column (usually numbered one to four, indicating the two columns on the left-hand page, and the two columns on the right-hand page).About 30 such rotating bookmarks have been recorded in libraries on the continent, and another half a dozen in England.
References
*J. Destrez, "L’outillage des copistes du XIIIe et du XIVe siècles", in "Aus der Geisteswelt des Mittelalters",
Martin Grabmann festschrift, 1935, 19–34
*R. Emms, "Medieval Rotating Column-Indicators", Transactions of the Cambridge Bibliographical Society, XII, 2001, 179–l-84).External links
* [http://www.miragebookmark.ch/wb_history.htm History of Bookmarks]
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