Machinist's jack - video

[Jon]

Machinist's jack. By Adventures with a Very Small Lathe. 39:06 video:

[Toolmaker51]

40 minutes of Machine Tool Theory 101, 9 video upgrade popups.
That olderdan, tonyfoale, thehomeengineer, mklotz or Captainleeward could do six pix and 4-5 better, clearer paragraphs. DIYSwede could too, but each paragraph would have a hilarious made-up phrase too!
Now, if YOUR favorite hmt.net poster wasn't included, it's only a handful out of many dozens who do it regularly. For Free (and ones I knew exact names of).

Yes I realize not everyone is familiar with change gears or chasing dials. TMI. Being in such a big bite is no guarantee of knowledge transfer either.
Sorry Mr. Very Small Lathe. In my brief purview, no fault was seen in production quality, though newbies deserve gentle zoom shots to orient what or where something takes place.