It just wouldn't work right, so why did they think 4 leveling screws was a good idea...I wish I could answer that. 
So, I just completed a move to a new house
, and came across a couple of older tri-brachs that the optical plummet had failed on, and instead of throwing them in the trash at work, I kept them, for what ever reason. I had just been using my scale earlier in the week, and griping about the leveling of the scale, and how it is so damn light that brushing my cuff on it would cause it to skid across the bench. This of course causing it to lose its level, and having to go through the leveling process again, and checking the calibration as well. 
The dim light in my head flickered a bit with a possible use for the tri-brachs I had saved from the trash heap. 
Tri-brachs, as you can see, have 3 leveling screws. The level bubble is also more sensitive than the one supplied on the scale, so I could achieve a better level possibly.
The first order was to cut of and face the brass adapter. Hack saw at first, and then chucked it in the lathe and faced it. I'm no good with parting yet, so I didn't attempt that.
After cleaning up the brass adapter, it sat almost flush with top of the puck.
To avoid a possible interference between the 2 parts, I faced the puck in the lathe also.
Clearance between the 2 parts
I then cut an aluminum plate to roughly the size of the scale and drilled a center hole for mounting to the brass adapter, and 4 mounting holes. The mounting holes will go where the old leveling feet used to (For anyone contemplating a similar project, the leveling feet threads are 3mm. The pattern is 3” wide by 4.4” deep, metric here didn't seem to make sense). I test fit the scale, and then polished it up nice and shiny.
Then I mounted it to the brass adapter with a 1/4x20 flat head, countersunk in the plate.
Then just mounted the scale to the plate.
It's a bit tall now, but definitely sturdier, and much easier to level. I also don't feel like I'm trying to work with an ancient artifact when I handle it now. At some point I may drill a hole in the bench and use a bolt to secure this down to it, as it's threaded 7/8x14 for attachment to the tripods.
I think to reduce the height, I'm going to take the other tri-brach I have apart at the leveling screws, and see if I can fashion a plate to mount there instead. I'd have to figure a way to mount the bullseye level to the new plate, but I don't think that's too big a chore. Or just use the level on the back of the scale and call it good, who knows.
Anyway, thought I'd share one of my weekend projects.
BTW - I use this scale for weighing bullets, cases and primers. I don't use it for powder often. When weighing bullets and the like, I am usually standing at the bench, so the height doesn't bother me for now. We'll see how that goes over time.
