Eboracum workshops growing up outside the fortress to supply the needs of the 5,000 troops garrisoned there. Production included military pottery until the mid-3rd century, military tile kilns have been found in the Aldwark-Peasholme Green area, glassworking at Coppergate, metalworks and leatherworks producing military equipment in Tanner Row. In the Roman period, Eboracum was the major manufacturing centre for Whitby Jet. Known as "gagates" in Latin, it was used from the early 3rd century as material for jewelry and was exported from here throughout Britain and into Europe. Examples found in York take the form of rings, bracelets, necklaces, and pendants
Traditional English pronunciation of Latin the purpose of determining vowel length; that is, the syllable preceding the ending is considered the penult. This last pronunciation of "-os" is the expected one; however, in the masculine accusative plural, where the ending is historically -ōs, the academic prescription was the pronunciation . Such an ending is not found in English loan words or proper names. Latin as traditionally pronounced by English speakers is part of the living history of spoken Latin through medieval French into English. Three stages of development of A-L can thus be distinguished: Latin from the period when its orthography and grammar became standardized