De Rerum Natura

Book V – Verses 1240-1295 ……. Moving on, they discovered copper, gold, iron, and also...

Empirical nitriding

Today its operating mechanism is known and scientifically clear, nitriding of steels is commonly used...

The man with the broken nail

Pasquale Costa, like many other Scarperia cutlery makers, abandoned his father Brunetto’s workshop and the...