Fig. 1. Aproximate date range of cylindrical beakers' a) forms, b) bands, and c) rims (after Aston 1994, Petrie c1977)

Aston, B.G. (1994) Ancient Egyptian stone vessels: materials and forms. Heidelberger Orientverlag, Heidelberg, 196 p.

Petrie, W.M.F. (c1977) The funeral furniture of Egypt: with stone and metal vases. Aris & Phillips, Wiltshire, 65 p.