Welsbach gas mantle, type 'Kern 2', boxed, by the Welsbach Light Co., Limited, King's Cross, London. 1900-1920. Gas mantle 1900-1920
Parts of thorium mantles, from ornamental gas chandelier, United Kingdom, 1901-1915. Removed due to radioactivity Parts of thorium mantles from gas chandelier 1901-1915
Gas mantle for Gas bracket, bijou wall-type, with "Metro" burner, "Veritas" gallery, 1920-1940 Gas mantle in box