Mount Kisco in Westchester County, New York — The American Northeast (Mid-Atlantic)
Spencer Optical
Photographed by Jordan Romano, April 23, 2023
1. Spencer Optical Marker
This area, once hamlet of Kirbyville, was home to one of the largest manufacturers of optical goods from 1874 to 1888
Erected 2015 by William G. Pomeroy Foundation.
Topics and series. This historical marker is listed in these topic lists: Industry & Commerce • Science & Medicine. In addition, it is included in the William G. Pomeroy Foundation series list. A significant historical year for this entry is 1874.
Location. 41° 11.488′ N, 73° 43.733′ W. Marker is in Mount Kisco, New York, in Westchester County. It is on Main Street (New York State Route 117) north of Armonk Road ( Route 128), on the left when traveling north. Touch for map. Marker is in this post office area: Mount Kisco NY 10549, United States of America. Touch for directions.
Regionally, this marker is in the Hudson Valley and in the New York City Metropolitan Area. It is also in the American Northeast and in the Mid-Atlantic. Globally, it is in the North Atlantic Region, North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once New Netherland and also one of the original Thirteen Colonies.
Other nearby markers. At least 8 other markers are within 4 miles of this marker, measured as the crow flies: Washington Rock (about 600 feet away, measured in a direct line); The Old North Castle Church (approx. Ό mile away); Meeting of Washington & Rochambeau (approx. 0.4 miles away); United Methodist Church of Mount Kisco (approx. 0.6 miles away); Mount Kisco Veterans Memorial (approx. 1.1 miles away); Christopher Columbus (approx. 1.1 miles away); Rochambeau Farm (approx. 1.8 miles away); Chappaqua Veterans Memorial (approx. 3.3 miles away). Touch for a list and map of all markers in Mount Kisco.
Also see . . .
this page online
Credits. This page was last revised on April 25, 2025. It was originally submitted on April 30, 2023, by Jordan Romano of Kings Park, New York. This page has been viewed 484 times since then and 23 times this year. Photo 1. submitted on April 30, 2023, by Jordan Romano of Kings Park, New York. • Michael Herrick was the editor who published this page.
Editor’s want-list for this marker. A wide view photo of the marker and its surroundings. • Can you help?
