长沙之最（Most of Changsha）.doc

长沙之最（Most of Changsha） The largest of the Shang Dynasty China tongnao. Since the old barn in Ningxiang County in 1959 found 5 large Tongnao Shang Dynasty, Ningxiang county has a total of 11 pieces of unearthed Tongnao. One of them was found in 1983 220.76 kilograms, China has seen the largest tongnao. The Tongnao has distinct local characteristics, such as shape tall and heavy, Ningbo Department rotation, complicated patterns, special animal mask. According to Wuhan Conservatory of Music professor of modern testing, the scale of 1-3 sound each Tongnao combination, can play modern music. Than the Tongnao unearthed in Hubei 1000 years earlier Ceng Houyi chimes. The earliest metal weighing currency in china. 1959 Ningxiang Huang Cai Shang Dynasty unearthed Tongnao in possession of 224 small bronze axe, the same size, all new cast, no traces. According to the home, after the inscription goods one axe, bear one axe, and easy, the tour travelling expenses and other records inference, when travelling expenses for funds. The axe has had the functions of money, the coin money probably originated from the cloth axe Jin word. Ningxiang Tongnao storage which can be identified in the copper axe is a weighing currency. This is the earliest metal currency found in our country so far. The earliest iron castings in the world. Found in 1951 Changsha shiziling No. 314 in the late spring and Autumn Period Chu filling concave iron hoe and Changsha Yao Ling No. 15 in the late spring and Autumn period (about 6 BC, seventh Century) Twilight unearthed iron tripod is found so far the earliest domestic iron castings, metallographic test for bainite white iron food organization. The discovery of this cast iron greatly advanced the time of casting iron in our country. It was 2100 years earlier than that of cast iron in europe. The earliest steel products in china. In 1976 unearthed a steel sword, in Changsha Yang Shan No. 65 tomb in the late spring and Autumn period for a long time, generally b