Are these lamps converted from oil lamps?

Many examples began life as oil lamps or candle lamps before receiving modern electrical fittings. Conversion was a standard practice as households transitioned to electricity during the twentieth century.

How do I date a silver column lamp?

Dating relies on hallmarks, maker stamps, and stylistic details such as the sharpness of the neoclassical casting. Earlier nineteenth-century pieces often display heavier cast components and distinct patination compared to later twentieth-century production.

Can I use modern shades on these lamps?

Standard modern lampshades fit many of these columns provided the harp or carrier matches the shade ring size. Silk and fabric shades replicate the traditional aesthetic seen on Edwardian and Victorian desks.

What is the difference between silver plate and sterling?

Silver plate applies a thin skin of silver over a supportive base metal like brass. Sterling silver consists of solid precious metal throughout and usually bears official assay office hallmarks.