Brass Forces — Cutting the Impression in die-sinking — Rifiles and Their use-drilling Out the Stock — Using the Breaking Out Chisel — The Champney die-sinking Process — History and Evolution Of the Process — Modeling, Casting, and Drop ping — Driving Model Into the Die — Heating and Hardening Of the Dies-f — Exactness Of Size Of Dies — Final Development of Champney Process — die-sinking Machines — Closed and Open Dies for forgings-value of Modern Machinery Prevision and Supervision — Hob for Making Forging Dies.