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THE BINDING OF THE CODEX SINAITICUS https://www.jstor.org/stable/4421879?seq=1#page_scan_tab_contents THE Codex when received consisted of detached sections and a number of single leaves. The 'vellum', which a vellum-maker considers to consist of sheepskin much scraped and rubbed down, is very thin and curls persistently towards the hair side. The sections, with the eight leaves arranged with the hair side facing hair side and flesh side flesh side, and fastened together, werepricked right through as a guide to the ruling. The ruling was done with a point right across two leaves on the flesh side only, leaving an indented line on that side and a very slightly raised line on the hair side. There is evidence of at least two bindings; the first was sewn with a single thread of loosely twisted hemp. This first binding must have come apart, as at some subsequent time numerous leaves that had become detached were roughly overcast by fine hempen thread used double, on to neighbouring sections. The overcasting was over the earlier glue at the backs of the sections and little regard was paid to the original gathering. The overcast sections were sewn with double hempen thread