Looks like i have at Model 80. maybe a 109 21270. works well, but I'd like to have an owners manual, as I don't know that much about lathes.
Anyone know how to get one?

OldWoodWorkingMachines has the manual for the 109.21270....6" Metalworking Lathe

Follow the link....scroll down....last "lathe" manual.....click and click again.....PDF

http://www.owwm.com/MfgIndex/Publications.asp?ID=222

"...measure once.....cut twice....throw that one away and cut a new one...."