The microscope is a delicate object, and although Chengjiacun is now able to process glass and steel, it does not have the ability to do such fine work.

At present, the only delicate work is the needle, which is still rubbed by a group of old blacksmiths.

It's just that the iron can be rubbed by hand, but the glass can't be used, because that thing is easy to rub, and once the glass is spent, it naturally can't be used to make a microscope.

Place......

"Why Does the Emperor Always Want to Cut Me" Chapter 312 A Bold Idea is being hit in the hand, please wait a moment,

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