Press photos by Scott M. Nagy Lehigh Valley Dairy memorabilia is on display during Whitehall Historical Preservation Society's open house, held July 18 at Helfrich Springs Grist Mill, Mickley and Lehnert roads, Whitehall.

Joe Wilfinger, vice president of the historical society, describes some items on display to visitor Patti Wehrle, of South Whitehall Township.

Wehrle looks at a display of Fullerton's history during the event.

Various historical tools used in Whitehall are set up to view.