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1962年7月和10月,我在《农业机械学报》第五卷第一、二两期上,曾連續发表《中国古代在农业机械方面的发明》一文。后来又重加修訂,增加插图二十多幅,于1963年6月由科学出版社出版《中国古代农业机械发明史》一书。一年多以来,根据实地調查、閱讀文献及各地友人的协助,陆續得到一些新資料,本文系根据这些新資料对于原文或原书上的四点又有一定程度的新看法和新推断。1.对于山西省潞安地区所用镪犂实地調查的結果;2.对于
In July and October 1962, I published “The Ancient Chinese Invention in Agricultural Machinery” in the first and second two volumes of the fifth edition of the “Journal of Agricultural Mechanization”. Later, it was added again and again to add more than twenty illustrations. In June 1963, the book “History of Inventions of Ancient Chinese Agricultural Machinery” was published by Science Press. In the past year or so, some new materials have been obtained on the basis of field surveys, readings and the assistance of friends from all over the world. This article is based on these new materials and has some new ideas and new inferences to the original four points. 1. For the Lu’an area in Shanxi Province used plow plow field survey results; 2. For