Chapter 91: Papermaking Ice-Making Method

im."You came just in time, I was looking for you. The new type of water wheel you mentioned last time, we've made it!" Du Jing said excitedly.Great! Amazing!Yang Lin gave Du Jing a thumbs-up: "Jing Ge...It is now the middle of the month.

The night was deep, a round moon hung high in the sky.

Inside the Yang family home, everyone sat together, watching Xiao Jiu calculate. expensive but also too thick and rough. It was easy to break and fragile, making it difficult to preserve records for long periods. As a result, many important pieces of information have been lost th...