HARTFORD--It's a name synonymous with tools--common for mechanics, factory works and handymen--but it may not be the one you're thinking of.
The Hex screw and wrench were a game changer for factories in the industrial age of Hartford's past, and they had a local man to thank for it.
On this week's Hidden History, photojournalist Mike Townsend brings us the story of the Allen wrench and its creator, Allen Manufacturing.
