How do I clean the glass body?

Wash the glass gently in warm soapy water using a soft brush to reach the cut facets. Avoid harsh abrasives that might scratch the surface. Keep silver polish away from the glass to prevent residue accumulation in the deep cuts.

Are the tops interchangeable?

Mounts and lids are custom-fitted to individual glass bodies during manufacture. Threading and collar diameters vary significantly between makers and periods. Attempting to swap caps usually results in a poor fit due to small historical variations in glass blowing.

What is the difference between a caster and a shaker?

Casters traditionally feature a tall, tapered silhouette with a secure pierced top designed specifically for dispensing caster sugar. Shakers often encompass broader condiment pots for salt and pepper. Both types rely on the combination of a glass reservoir and a removable metal lid.

How do I date an unmarked piece?

Examine the style of the glass cutting and the shape of the silver collar for period characteristics. Art Deco items display geometric lines, while Georgian examples favour heavier, simpler proportions. Completely unmarked pieces are usually judged by manufacturing techniques and wear patterns on the base.