Structure of the Abecedarium B

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Structure of the Abecedarium B, detailed paper. Summary:

• Number of sheets: 458 - numbered 1 to 457, plus one numbered 17BIS [MM479]
• Mostly two columns per page numbered from 1 to 1858, with many errors such as duplications
• physical column: as it physically appears in book
• number column: as numbered in the book, usually at the top of the column
• column identifier based on the physical column, composed of:
  - sheet number: situated in the top right conner of the recto page; sheet numbering is correct
  - page side: recto (r) or verso (v)
  - column position: physical column to the left (a), right (b) or single column (x)
  Example: 3rb
  This means sheet 3, recto, right column
• Source record-jar data

1. physical column
2. number column
3. numbering abnormality, d: duplicated column number - b: broken numbering
4. set, it might be booklet numbering
5. notes. "pencil": from column 253va in the book to the end correctly numbered with pencil by [MM480]. "missing pn": missing page number in the facsimile, it might be present in the original.