Note 126 — Chapter XVII · INSCRIPTIONS IN STONE (By A. E. R. Gill) Treatment & Arrangement — The Three Alphabets — Size & Spacing — The Material — Setting Out — Tools — A Right Use of the Chisel — Incised Letters & Letters in Relief — The Sections of Letters — Working in situ.
Reading edition
The harder the stone to be carved, the more highly tempered will the chisels need to be.