Oldest steel acupuncture needles found in Marquis of Haihun tomb – The History Blog
thehistoryblog.com/archives/73…
"With a cross-sectional diameter of only 0.3-0.5 mm, it is comparable in fineness to modern acupuncture needles and attests to the high level of metallurgical technology in the Western Han Dynasty (202 B.C.-220 A.D.)."
General description of tombs:
thehistoryblog.com/archives/39…
woodland creature
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