[…] a certain vessel finely and subtilly made of the precious stone onychinus […]

While this debate was going on in Nature another was being conduct in Archaeometry. This was between Betancourt – and his old colleague Michael – and Warren, with the English archaeometrist M. J. Aitken holding the ring.

His cheeke-bones raw, and eie-pits hollow grew, / And brawney armes had lost their knowen might […].

Leather, badly tanned, is susceptible to deterioration from inherent vice induced by poor quality manufacturing.