The surface to be treated is preferably first set with a mixture containing sand, Portland cement and a waterproofing agent, and the glazing preparation is then sprayed thereon.' After hardening, the glaze may be coated with a waterproofing medium such as an emulsion containing water, beeswax, ...
Object 1943.50.521 is a narrow, sharp-edged, plain disk (or ring) of pale green glass, the surfaces of which are polished smooth (Fig. 2). There are green stains of bronze oxide, soft calcareous areas, and what have been termed textile markings on it. Object 521 is more likely to be...