Well, I whipped out the ol plumbob and went to work.
Headtube angle: 73.4
Seattube angle: 78.3

I think the toptube length is 52cm,and I don't have a measuring tape to figure out the rest. so far so good.

Here's a photo, nondrive side unfortunately.

https://scontent-a-fra.xx.fbcdn.net/...71746124_o.jpg