Old school threading on my vintage Karger lathe

I do some manual single point treading, using the sliding spindle mechanism on my old Karger lathe. It's the next step to make a backing plate for an old Cushman 4 jaw chuck.

Fake Mitsubishi inserts I use: https://ebay.to/32nSBCA
My inspection microscope: https://www.banggood.com/custlink/KvG...

Chapters:

0:01 - Start of the shit show.
0:31 - Cutting the spindle nose register.
2:37 - Cutting the thread lead-in.
4:00 - Setting up the threading bar.
5:00 - Setting the compound slide angle.
5:42 - The first thread scratch.
6:12 - Workout music.
8:14 - Big mistake
8:31 - A look at a broken carbide insert.
9:30 - Turning the insert and dropping a screw.
10:34 - Breaking pointy bit on camera.
11:31 - Rotating the insert and using a magnet.
13:41 - Last pass and the 1 inch tap.
15:52 - Disengaging the threading mechanism.
16:16 - Using a huge threading tap in the vise.
17:00 - Cross threaded result.
17:41 - First test fit.
18:44 - Back in the chuck and re-cutting the register.
20:18 - Second test fit.
21:19 - follow up work and problems drilling bold circle.
22:17 - A look at some broken threading inserts.
23:35 - Looking for some screws.
23:54 - The end of the Shit show.