"It's spinning, it's spinning." Zhu Cizheng felt it was fun and clapped his hands and cheered.

The craftsman then turns the handle on the tool holder, and the tool holder moves forward along the screw.

After a while, the turning tool fixed on the tool holder began to touch the cylinder casting.

Immediately, there was a squeaking sound in the work shed, which almost made people's teeth sore.

Chongzhen was not affected at all, but kept staring at the cylinder casting.

But all I saw was that circles of iron flowers had been peeled off from the inner wall of the cylinder casting.

In just a moment, a circle of smooth and shiny cylindrical surface has been turned by the turning tool.

"Beautiful!" Chongzhen couldn't help but clenched his fists hard. With this lathe, the Ming Dynasty truly opened the curtain of industrialization. The steam engine was actually just the foundation.

"Weng Qing." Chongzhen raised his hand again to signal Weng Zhiyi to come forward.

"One guest does not bother two masters, and the lathes are also made by the steam engine factory."

"So, the steam engine factory should be renamed Daming Machinery Factory."

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Chapter completed!