iron & steel

The Bessemer Process

By the 1850s the demand for the high quality steel – driven by the rapidly expanding railway, armaments and ship building industries – was beginning …

Read more

Crucible steel

Sheffield made Crucible steel maintained a unassailed reputation as the best steel in the world for nearly two centuries, a success built on a combination …

Read more

Wrought Iron

As discussed in the previous post, plane blades from the 19th century were typically made of a wrought iron backing with a hard steel bit …

Read more