Chapter IV · The Vessels · Section 1: Textual layers — reading “风炉以铜铁铸之如古鼎形”

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Thesis

Section 1 is not really about “风炉以铜铁铸之如古鼎形”; it is about how Lu Yu turns tea from a local product into an object of argument.

Text

“The wind stove is cast of copper or iron, shaped like an ancient tripod.”

Context

风炉：煮水用的炉子，仿古鼎形制，以铜铁铸造。

Evidence

• Collation: 各本一致。唯后世刊本或作"古鼎形"或作"古鼎之形"，无实质差异。
• Existing readings: 吴觉农指出：风炉取鼎形，既稳固聚火，又寓"以茶事承三代礼器"之意；陆羽为风炉铭刻"坎上巽下离于中"等卦辞，可见其以易理入茶器的审美。

Analysis

Formally, the section gives a judgment, adds material detail, then returns to human practice. 风炉：煮水用的炉子，仿古鼎形制，以铜铁铸造。 That is why the Classic of Tea reads as an argued book rather than a miscellany.

Conclusion

The section does not give a universal rule. It demonstrates a method: read the text, the annotation and the Tang context together before making a modern claim.

Source: The Classic of Tea, Chapter IV · The Vessels, section 1; the original is in the public domain.

As a new reader, I first took “风炉以铜铁铸之如古鼎形” as a conclusion. Reading the annotation to section 1 again, it is clearly a judgment with conditions attached.

A maker reads “风炉以铜铁铸之如古鼎形” through weather and soil first. 风炉：煮水用的炉子，仿古鼎形制，以铜铁铸造。 That is not far from how we judge a mountain and a picking window today.

The vessel is not background. 风炉：煮水用的炉子，仿古鼎形制，以铜铁铸造。 The same leaf in a different bowl, grinder or sieve changes aroma and texture; vessel and tea are defined together.