Are these items made of solid silver?

These pieces consist of base metals such as copper or nickel silver covered with a layer of actual silver. Old Sheffield plate uses a fused sheet, whilst later items rely on electroplating. Testing the underside or edges often reveals the reddish hue of the underlying copper core.

Why do some candlesticks extend in height?

Telescopic designs allowed users to adjust the height of the flame to suit different table settings and lighting requirements. The sliding mechanism relied on snug internal friction to hold position. Finding a matching pair of working telescopic sticks indicates higher original manufacturing quality.

What is the difference between a candlestick and a chamberstick?

Candlesticks stand upright on dining tables or mantelpieces to illuminate a stationary space. They feature weighted pedestal bases designed for stability. Chambersticks include a saucer base and a loop handle intended for carrying through dark hallways.