[ezconnect]

Antikythera mechanism was built before the Dark Ages, he just wanted to go back to the Dark Ages so he can do precision work by that time, he can probably build a battleship fire control system at that time.

edit: https://www.youtube.com/watch?v=gwf5mAlI7Ug

[hypertele-Xii]

Now he just needs to build a battleship to go with it!