Previous chapter:
Chapter 146 Donkey: &%¥#@!
PREVIEW
... on knife switch, that is, the Louis XVI happy rack:
A small ball is hung on the 'knife switch', which is driven to rotate by external force to process the glass.
This set of tools is not difficult to prepare, and does not require too high precision.
After all, in the original 17th century, Europe hadn't started the industrial revolution yet.
However, different from Huygens' design, Xu Yun made some optimizations on the torque:
First, two auxiliary ...
YOU MAY ALSO LIKE