A local developer has announced plans to acquire several properties at the corner of Washington and Winslow Streets here in the city for a professional campus. The big purchase is the Rouse Professional Office Building at 531 Washington St., which is being bought by Mike Lundy of West Carthage. Also included are two adjacent properties at 513 Washington St. and 127 Winslow St. Lundy hopes to have finalized the acquisitions by the end of the year. In a press release. Lundy compared this purchase to the development of the Washington Summit campus, which he built a decade ago.