Li Ru nodded.

This thing looks very strange, there is only a bucket, and there seems to be a lens inside, the manufacturing process of this lens is not clear, but it can be felt, it is definitely not an ordinary craftsman can create!

To tell the truth, for this telescope, Liu Qi also spent a lot of effort, first let the craftsmen of the craftsman's house burn it into the pot.

......

"Three Kingdoms, Summoning Li Yuanba at the Beginning" Chapter 381 Who is making suggestions? I am hitting it in my hand, please wait a moment,

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