Engraving depicting the apparatus for a vertically cannon boring. Boring is the process of enlarging a hole that has already been drilled (or cast) by means of a single-point cutting tool (or of a boring head containing several such tools), such as in boring a gun barrel or an engine cylinder. Dated 19th Century

---

Size: 3722px × 5635px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 19th, apparatus, archival, archive, barrel, boring, cannon, cast, century, cutting, cylinder, drill, drilled, engine, engraved, engraving, gun, historical, history, illustrated, illustration, manufacture, manufacturing, single-point, tool, tools, vertical, vertically