How do I clean old glass safely?

Wash pieces by hand in warm water using mild soap, avoiding harsh scrubbing brushes and sudden temperature changes that might cause thermal shock. Dry them immediately with a lint-free cloth to prevent water spots and preserve the natural brilliance of the crystal surface.

Can I use these glasses for daily dining?

Many sturdy nineteenth century and mid-century items remain robust enough for regular use, provided they are handled with care and kept away from dishwashers. Delicate eighteenth century items with air twist stems or fragile enamelling are better reserved for careful display or special occasions.

What causes cloudiness inside old decanters?

Residue from old liquids or mineral deposits from washing water often creates a milky film on the interior surfaces over many decades. Specialist cleaning beads and mild solutions can help reduce this haze without scratching the historic glass interior.

How do I identify moulded glass marks?

Inspect the base and seams for soft edges and irregularities that distinguish traditional hand-moulded or free-blown pieces from modern machine-made equivalents. Factory signatures or etched maker names occasionally appear near the foot rim of twentieth century studio pieces.