• BEAVER GLASS RESTORATION, 36 Marchmont Road, Edinburgh, EH9 1HX (0131-228 9966). Specialises in grinding and polishing chips in glass surfaces. Glass bevelled for dial glasses, carriage clocks, etc. Glassware de-clouded. Glass tubes made for crystal sets.
• GLASS SERVICE (020-8520 5353). Glass and mirrors manufactured, coated and finished.
• OSBOURNE'S ANTIQUES. Pentavalon 9 Hillcrest Close, Wembury, Devon PL9 0HA Tel: 01752 863025. Web: http://www.barometerparts.co.uk/  Convex round dial glasses.

Specialist lamps

• ALAMPCO LTD. 11 The Looms, Parkgate, Neston, CH64 6RE. Tel: 0151 336 8293. Web site: www.alampco.com Miniature and indicator lamp specialist. If they haven't got it, it probably doesn't exist.
• LAMP SPECS. Unit 1, Canbury House, 22-26 Tolworth Close, Tolworth, Surrey, KT6 7EW. Phone: 08454 669977. Web site: www.lampspecs.co.uk  Enormous range of specialist lamps. Rapid service.