Portrait of a Killer: Jack the Ripper—Case Closed that a paper manufacture expert she hired asserts that reams of paper supposedly used by Jack the Ripper to write several letters to Scotland Yard and paper purchased by Sickert's mother bear the same small-press watermark. She also claims that there are matches in the cutter's marks, which are a result of the rough cutting of each quire (or small package) for packaging. A "quire" was usually of 24 sheets. Though Cornwell's book sold many copies, many Ripperologists and other critics argued that Cornwell's theory was far from persuasive. Critics also note that Cornwell has said that she did not
Section (bookbinding) meaning of quire, "quinterno di carta". Later, when bookmaking switched to using paper and it became possible to easily stitch 5 to 7 sheets at a time, the number of sheets and pages in a gathering became more variable. Section (bookbinding) In bookbinding, a section, gathering, or signature refers to a group of sheets, folded in the middle, and bound into the binding together. The section is the basic building block of codex bindings. In Western bookbinding, sections are sewn through their folds, with the sewing thread linking each section to its neighboring sections. The gatherings can be seen by