The non-profit historic Ben's Mill in Barnet on the West Barnet Road will kick off its 150th year celebration on July 9, Sat. from 11 a.m.-3p.m. The event will include tours and blacksmith "Hammer-In" demonstrations featuring James Teuscher, owner of Whitewater Gallery in East Hardwick and a forge in Walden, and teenager Alder Hardt, who owns Alder Hardt Ironworks in Hardwick. Both talented artists have web sites.