"Collecting Insulators in New Zealand is more than just a collector's handbook.
World Archaeology at the Pitt Rivers Museum: a characterization introduces the range, history and significance of the archaeological collections of the Pitt Rivers Museum, Oxford.
800 Insulators Priced and Illustrated
... nitrogen oxides N02 or NO, gases that are very corrosive and are a significant health hazard, especially when breathed in. ... c The very active metals will react with acids with such vigour that they are potentially very dangerous.
British Association of Pharmaceutical Physicians (United Kingdom) British BioCell International Ltd (United Kingdom) British Bio-Technology Group plc (United Kingdom) The British Ceca Co Ltd (United Kingdom) British Charcoals ...