No. It's chrome lined. Only during the Qin/Han and I believe it was lost somewhere later. I personally and somewhat skeptical of this one, mainly because the swords recovered are from the terracotta army. I wonder, just wonder maybe that there see this link:
chemistry-blog.com/2015/09/22/the-chrome-plated-mystery-of-the-terracotta-armys-swords/
See that sword? There's a Chinese/English explaination there
He's kinda wrong on the writing. Directly translated it states, the side face of this blade, when excavated was shown to be bronzeware with a mysterious element on top preventing corrosion, later identified to be chromium oxide. My chemistry knowledge falters there so I am unable to say more.
Note. This "side face" is incredibly specific, meaning that there were parts of the other blade are without the chromium. I find the chance of an entire blade face being coated being highly, highly unlikely in pure coincidence of the forging. Perhaps maybe the other end was not coated correctly? I think it may have been possible to coat with electrolyic cells, but I certain that the coat would be somewhat haphazard unless my autistic digging of historical works show otherwise.
See picture, I am aware that Zheng He did use a compass his voyages but I am unable to find documents that specifically state usage. I do see maps going from N/S aligment from earlier.
What I can tell you is that although there is use for fortunte telliing in Bagua, those also do discreetly represent direction.
see:Huolongjing
Below from kikepedia but I will elaborate.
upload.wikimedia.org/wikipedia/commons/3/31/Ming_Dynasty_fragmentation_bomb.jpg
Right side reads: Lantern bone oil mysterious (eg; magical) cannon. Left side reads: Inside hides detonator fuse which magically (explodes upon contact) movment. Sorry about this one. It's hard to find the original text and I can only find fragments without getting kiked. I'll dig around and try to find more.
Wujing Zongyao also points to a semi-portable flamethrower thats just basically a cart with oil and a fucking supertanker (lol)
Ok I see that point on that one.
Printing press is one if you considered typeblocks cause muh chachters not alphabet.
They did discover the use of weed as a anesthetic or they purfied opium. Document wording is strange.
Finally compound crossbow and repeating crossbow. Latter from ~6BC (I can't find the corresponding exact era name but I know it's before the 5th BC). Repeating crossbow I will not call an invention but rather just an improvment.
cast Iron process, I am unfamilar and uncertain about steel being a purely Chinese discovery,
Not going to discuss mathmatics/timekeeping/astrology/music cause I suck at it. sorry.
That was a joke. Did you really think that China as an entity has remained unchanged for thousands of years?
Sorry about the lack of in depth mentions. The main issue here is that classical Chinese makes you guess at a lot of damn things. Going to do more digging by buying the books.
Good to see that we still use rhetoric and haven't fully been consumed by the bread and circuses. Even if it's from a leaf
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