It was in 1908, when two of Sheffield's principal steelmaking companies innovatively agreed to jointly finance a common research laboratory (Brown Firth Laboratories) that Harry Brearley was asked to lead the project.
În 1908, două importante companii siderurgice din Sheffield au ajuns la un acord pentru a finanța în comun un laborator de cercetări (Brown Firth Laboratories) iar Harry Brearley a fost invitat să conducă proiectul.