Earth Sound Research was located in what New York county?
Earth Sound Research Earth Sound Research was a musical amplification firm based in Farmingdale, New York that made bass and guitar amplifiers in the 1970s. They also made PA mixers/power amps, keyboards and stand alone reverb units (solidstate).
Rock Island Light Rock Island Light is a lighthouse on Rock Island in the Saint Lawrence River in Jefferson County, New York, United States. The island is owned by the New York State Office of Parks, Recreation and Historic Preservation and operated as Rock Island Lighthouse State Park.