District Philadelphia Mtg At Troegs Brewing Co. March 16, 2007 Tech Chair Larry Horwitz of Iron Hill Brewery & Restaurant (North Wales, PA) speaking on "Yeast Quality Control."

District Philadelphia Mtg At Troegs Brewing Co. March 16, 2007

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Tech Chair Larry Horwitz of Iron Hill Brewery & Restaurant (North Wales, PA) speaking on

Tech Chair Larry Horwitz of Iron Hill Brewery & Restaurant (North Wales, PA) speaking on "Yeast Quality Control."

1 of 3