Machinist level question

TrxR

Well-known member
Is this the recommended Starrett level? If so what would a good price be? It's at a local auction.

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I've found used 12" one's around $100, best to get one with multiple bubble lines.
I also came across an 18" for $200 at an antique mall.
I've also found one with a broken bubble real cheap and replaced it, total cost under $100
I prefer 12" or longer over my 8" ones, but having a couple positioned on the slate is easier than moving one around.
 
No they don't. Not for final leveling, anyhow.
If I am welding a tube in a chassis that is parallel with another tube I can eyeball it better than a standard level can measure it. When using a standard level (digital or bubble) I can have both tubes positioned correctly according to a level yet they are clearly not parallel when eyeballing it.
 
Well the guys who set up tables bought from Temu might use carpentry levels but I doubt any real table mechanics do. If the guy setting up your table comes walking in with a carpenters level for your slate leveling you might wanna reconsider who you have setting up your table.
I would dare say that I can get a table playing pretty decent, with a good 4' carpenter's level... However, I can do a MUCH better job, with 8-9 Starrett 98-12's.

The problem with using a carpenter's level, is that you can't see the variations in flatness of the slate. Also, the precision of the bubble is not really fine enough. That said, I fully agree with your assessment... If your installer is using only carpenter's levels, you hired the wrong guy...
 
You can make your own level with strip level vial like these one, $20 US and 20 times more accurate than a Starrett one, Starrett have 80 arcsecond levele vial and this one is 4 arcsecond, different accuracy level vial are available.
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