 In 1958, production reached 60,000 items.Later, the "Belweder" and "Wisła" were joined by more modern models, the "Wawel" (named after the Wawel castle) and the "gems" family - "Turkus" (turquoise), "Jantar" (amber) and "Szmaragd" (emerald).Those models gradually superseded the older, and still unreliable, "Wisła" and "Belweder", and in the 1960 the production of all types of TV sets at "WZT" reached 200,000.