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前言磁性指南工具的发明,是我们的先辈对人类文明的重要贡献之一。十一世纪我国指南针用于航海,随后(十二三世纪)才传到西方,这就是具体事实证明,已得到中外广大学者所公认。但是最早的磁性指南工具到底是什么,它始于何时,过去没有人深入探讨过。本世纪三十年代,张荫麟(1)提出古文献中的司南就是最早的磁性指南工具。随后王振铎同志(2)对司南做了较详细的分析考据,肯定了张荫麟的说法,他还制作了所谓磁性
Foreword The invention of the magnetic guidance tool is one of the important contributions of our predecessors to human civilization. The compass of our country was used for sailing in the eleventh century and then spread to the West (in the 12th and the 13th centuries). This is the concrete fact that it has been widely recognized by Chinese and foreign scholars. However, the earliest magnetic guidance tool in the end what is it, when it began, no one in the past discussed in depth. In the thirties of this century, Zhang Yinlin (1) proposed Secretary Nan in the ancient literature is the earliest magnetic guidance tools. Later, Comrade Wang Zhen-duo (2) made a more detailed analysis of Si Nan, affirmed the statement of Zhang Yinlin, he also made the so-called magnetic