Question: Earth Sound Research was located in what New York county?

Context paragraphs:
Schenectady County Historical Society: The Schenectady County Historical Society, located in Schenectady, New York, was established on July 14, 1905, under the Membership Corporation Laws of the State of New York.  The Society is an independent not-for-profit corporation, not a unit of government.  Its stated mission as embodied in its constitution was, and remains, “to promote and encourage original historical research; to disseminate a greater knowledge of the history of the State of New York and particularly of Schenectady County; to gather, preserve, display, and make available for study artifacts, books, manuscripts, papers, photographs and other records and materials relating to the early and current history of Schenectady County, New York and of the surrounding area; to encourage the suitable marking of places of historic interest; to acquire by purchase, gifts, devise, or otherwise the title to or the custody and control of historic sites and structures.”

Gilboa Fossil Forest: Gilboa Fossil Forest, New York, United States, is cited as home to the Earth's oldest forest.  Located near the Gilboa Dam in Schoharie County, New York, the region is home to tree trunks from the Devonian Period, which occurred roughly 380 million years ago.  The fossils, some of the only survivors of their type in the world, are remnants of the Earth's earliest forests.  This location has been of great interest to paleobotanists since the 1920s when New York City began a water project and excavation for a dam.  The project turned up large upright tree stumps from a fossil forest, some of which are on display at the Gilboa Dam site and the New York Power Authority Blenheim-Gilboa Visitor's Center in Schoharie County and at the New York State Museum.

KWO35: KWO35 (the third character is the letter "O," rather than "Zero") is a NOAA Weather Radio (NWR) station that serves the greater New York metropolitan area (which comprises New York City and the surrounding counties and municipalities in the Tri-state area), as well as marine interests from Sandy Hook, New Jersey to Fire island, New York (out to 40 miles from the Atlantic coastline), as well as New York Harbor, the western Long Island Sound, and the Long Island South Shore Base, and extending southward from Sandy Hook, to Little Egg Inlet NJ (out to 40 miles from the Atlantic coastline) (see County Cov.  section for all marine zones).  Programming originates from the National Weather Service weather forecast office (WFO) in Upton, New York (located east of New York City, on the grounds of Brookhaven National Laboratory, in central Suffolk County on eastern Long Island).

The Bronx Defenders: The Bronx Defenders is a public defender office located in the South Bronx neighborhood of New York City.  At the Bronx Defenders, criminal defense lawyers work together with civil lawyers, family defense lawyers, immigration lawyers, non-attorney advocates, social workers, and investigators to help their clients address the full range of legal and social issues that can result from criminal charges.  The Bronx Defenders are a contracted public defender for New York City, along with the Legal Aid Society, New York County Defender Services in Manhattan, Brooklyn Defender Services in Brooklyn, Queens Law Associates in Queens, and the Neighborhood Defender Service in northern Manhattan.

Museum of the Earth: The Museum of the Earth is a natural history museum located in Ithaca, New York.  The museum was opened in 2003 as part of the Paleontological Research Institution (PRI), an independent organization pursuing research and education in the history of the Earth and its life.  Both PRI and the Museum of the Earth are formally affiliated with Cornell University.  The Museum of the Earth is home to earth-science exhibits and science-related art displays with a focus on the concurrent evolution of the Earth and life.

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).

Ladies' Deborah and Child's Protectory: Ladies' Deborah and Child's Protectory was a 19th-century day care center and orphanage located at 204 East Broadway.  The institution cared for the children, ages two to six years, of indigent parents who worked during the day.  The youths were fed and returned to their parents in the evening.  Abandoned children were also taken in.  A certificate of incorporation was filed at the clerk's office of New York County on March 5, 1878.

Farmingdale, New York: The Incorporated Village of Farmingdale is an incorporated village on Long Island within the Town of Oyster Bay in Nassau County, New York, in the United States.  The population was 8,189 at the 2010 Census.

New York County Lawyers' Association: The New York County Lawyers' Association (NYCLA) is a bar association located in New York City.

New York State Route 134: New York State Route 134 (NY 134) is a 6.35 mi state highway in the western part of Westchester County, New York, in the United States.  It begins at an intersection with NY 133 in the village of Ossining and heads northeast to the hamlet of Kitchawan, located adjacent to the New Croton Reservoir in the town of Yorktown.  From here, the route turns southeast to reach its east end at a junction with NY 100.  The highway passes the Thomas J. Watson Research Center, one of the main research headquarters for IBM, just east of an interchange with the Taconic State Parkway.

Supporting paragraphs: Earth Sound Research Farmingdale, New York
Answer: Nassau County