I like free, and free they should be for out of business out of print manuals (assuming there is no bona fide copyright holder selling them). Contact me if you want some hosted.
I was on the floor at a specialty steel mill when they were doing a pour so out came the camera phone!
Drill Chart – 75% – courtesy of Guhring
Thread wire formulas – Courtesy of Threadcheck
Oil Viscosity Comparison Chart
Lathe Spindle Dimensions
Cam Lock
Small Lathe Tool Posts
Over the years I’ve seen lots of different styles of tool posts for small lathes. Some of the designs are quite clever and I’ve found the variety interesting. There is also a problem with many in that put the delicate T slot they mount in precarious position – tightening them puts a shearing force on the T slot!