No. 12. Out of print.

No. 13. Blanking Dies.—Making Blanking Dies; Blanking and Piercing Dies; Split Dies; Novel Ideas in Die Making.

No. 14. Details of Machine Tool Design.—Cone Pulleys and Belts; Strength of Countershafts; Tumbler Gear Design; Faults of Iron Castings.

No. 15. Spur Gearing.—Dimensions; Design; Strength; Durability.

No. 16. Machine Tool Drives.—Speeds and Feeds; Single Pulley Drives; Drives for High Speed Cutting Tools.

No. 17. Strength of Cylinders.—Formulas, Charts, and Diagrams.

No. 18. Shop Arithmetic for the Machinist.—Tapers; Change Gears; Cutting Speeds; Feeds; Indexing; Gearing for Cutting Spirals; Angles.

No. 19. Use of Formulas in Mechanics.—With numerous applications.

No. 20. Spiral Gearing.—Rules, Formulas, and Diagrams, etc.

No. 21. [Measuring Tools].—History of Standard Measurements; Calipers; Compasses; Micrometer Tools; Protractors.