Carte d'autore onlineAcciai per utensili
/Volumi/Scheda/13?p=8736
note avoid tempering temperatures higher than 200° c because the steel
Acciai per utensili
/Volumi/Scheda/13?p=8780
hours slow cool no faster than 25 f 15
Scritti giovanili 1912-1922
/Volumi/Scheda/492?p=32344
and rider a tension more than visible far we react to