正方案模型 model of a One Direction-determining Table, c.1950s-1970s

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Reference Code: GBR/1928/NRI/NRI2/8/3/4/2

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Scope and Contents

The cushioned, fabric box contains 2 metal objects and 1 set of paper instructions and descriptions. The label on the outside of the box reads 正方案模型.

正方案模型: 中国古代测影定向仪. 北京古观象台监制; 钢铁研究总院制造. Made by the Central Iron and Steel Research Institute, Ministry of Metallurgy.