Preferred label
rotating column indicators
Note (en)
Note
Column indicators made in the form of rotating disks within a fold of parchment with the numbers of the columns present in any opening written on the disks. The indicators are attached to cord markers that can be placed anywhere in the book, and the rotating column indicators can be slid up and down the cord so that the line can be indicated by the position of the indicator.
Scope note source reference
source-reference-1741
Source
Emms (2001)
Medieval rotating column-indicators: an unrecorded second example in a thirteenth century bible (Cambridge, Corpus Christi College MS 49) by Richard Emms
Transactions of the Cambridge Bibliographical Society, XII, 2001, 179–84
Additional Reference
modified
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