Wilson Osborne started to learn the blacksmith trade in 1913 when he was ... over the years — when I started we used old leather bellows whereas now we have a motor-driven fan.

Blacksmith Anthony Tratnyek uses bellows to stoke a fire in the hearth Wednesday, Dec. 6, 2023, in the re-creation of the 1750 blacksmith shop in the Colonial Industrial Quarter in Bethlehem.