The green and yellow guides are dated 1974. The blue is dated 1982.
Machinist’s Practical Guide Pocket Manual Handbook Blue Book Morse 20402 R3
Machinist’s Practical Pocket Guide Manual HandbookPractical information for the machinist, tool maker, engineer and student.End mills, cutters, drills, reamers, taps and tool bits.Tool steels, tapers, speeds and feeds, cutting fluids.In this complete 108 page handbook.Fits handily into shop coats, tool boxes and desk drawers.Printed In U.S.A.
All 3 Morse Machinist’s Guides for Taps, Carbide Tooling Pocket Manual Handbook
Machinist’s Practical Guide. Practical information for the machinist, tool maker, engineer and student.