LEOMINSTER — Back before it was the Plastics City, Leominster was known for piano manufacturing, at one time producing up to a quarter of all piano cases in the country.The piano businesses are now long gone, but that manufacturing legacy was remembered Friday when Ivory Keys Apartments, 140 Adams St., celebrated its building being named to the National Register of Historic Places. The celebration was held outside the main entrance to the apartment complex. The vestibule […]