Reliance "Drill Grinding Jig" and "Drill Grinding Machine" (a self-contained unit based on a double-ended grinder): Three sets of Operating Instructions (10 pages) combined in one publication.
Tubal Cain discusses drills and drilled holes and threading with taps and dies - primarily by hand. Gives sage advice about how to overcome the problems often encountered in this type of work. Covers all thread types with conversions charts, thread gauges, sharpening, etc.