This is a treasure trove for machinist's everywhere. The Machinery's Reference Series predates the Machinery's Handbook, both published by the Industrial Press. Machinery's Reference Series. These reference series booklets include "kinks" sections and what you'd consider "case studies" such as how the Norton Grinding Co. went about grinding a shaft with an eccentric in the early 1900s, in full detail noting how they custom made cast iron end plates scraped to surface plates and so on and so forth.