Tin-glazing in the kiln atmosphere and therefore a flame-burning kiln. Traditional kilns were wood firing, which required the pots to be protected in the glaze and luster firings by saggars or to be fired in a muffle kiln. Except for those making luster ware, modern tin-glaze potters use electric kilns. The recrystallisation of tin oxide during the firing provides evidence of the slightly different methods of different production sites, as the crystal size, the distribution and the concentration may be influenced. For instance, the analysis of the 14th century Islamic tin glazes from eastern Spain indicates that these samples may be
Lead 15th Anniversary Live Box Lead 15th Anniversary Live Box Lead 15th Anniversary Live Box: Special Box Shiyou (スペシャルBOX仕様 / "Special Box Specification") is a special live DVD collection released by the Japanese hip-hop group Lead on December 20, 2017. The live box featured two separate performances spanning across two DVDs to celebrate the group's fifteenth anniversary in the music industry, having debuted in 2002 with the song "Manatsu no Magic". The first DVD featured the live performed to celebrate their anniversary, "Lead 15th Anniversary Live ～Kan Ima Shirube-sai～", which the group held on July 29th and July 30th of that year; while the second