Sheffield, a borough and city in South Yorkshire, England  derives its name from the River Sheaf, running through the city. In the 1300s, Sheffield was known for the production of knives. In the 1600s, it had become the #2 location for cutlery production after London, and it has been said that straight razor production began in Sheffield in the 1680s. Quite notably, In the mid 1740s, Benjamin Huntsman from Sheffield improved the crucible steel process to produce ‘Cast Steel’. The homogeneous crystal structure of cast steel improved its strength and hardness compared to preceding forms of steel.

© Keith V Johnson 2014 - 2018