Lead glass contains a proportion of lead oxide, which increases the density and refractive index of the material. This composition produces a heavy handle and a bright, resonant ring when struck. The inclusion of lead allows the glass to remain pliable longer during working, enabling deeper cutting and finer engraving than standard soda-lime glass.

How do I date a wine glass?

Dating relies on observing the combination of bowl shape, stem construction, and foot form. Eighteenth-century pieces frequently feature folded feet and air or opaque twist stems, while later nineteenth-century items show heavier cutting and moulded details. Changes in taxation laws and shifting tavern fashions also influenced the scale and capacity of drinking vessels across different decades.

Were rummers used for wine?

Rummers served multiple purposes at the dining table and in taverns, accommodating ale, punch, and porter rather than fine wines. Their generous bowl capacity suited larger portions of everyday beverages. These robust vessels often featured engraved agricultural motifs like hops and barley, reflecting their primary contents.

How should I clean antique glass?

Wash pieces by hand in warm water using mild soap, avoiding harsh scrubbing implements and sudden temperature changes. Antique lead glass scratches easily and thermal shock can crack aged metal. Dry the pieces promptly with a soft linen cloth to prevent water spots on the cut and engraved surfaces.