Plymouth in Naugatuck Valley Region, Connecticut — The American Northeast (New England)
Greystone Falls
Ireland, Hoadleyville, Greystone
| | Plymouth, CT | |
Photographed by Michael Herrick, November 16, 2015
1. Greystone Falls Marker
Eli Terry was born April 13, 1772. In 1793 Eli Terry moved to Plymouth where he was involved in the production of wooden movement clocks. Due to Terry's manufacturing techniques, clocks became affordable to the American household. In 2007, Eli Terry was inducted into the National Inventors Hall of Fame, due to his technological advances in manufacturing. Terry is con- sidered the father of manufacturing in the United States. He died in Terryville on February 24, 1852.
Silas Hoadley was born January 31, 1786. He manufactured clocks with Eli Terry and Seth Thomas. Hoadley continued making clocks in Greystone until about 1849. He made mantel clocks and tall clocks. This section of Plymouth was known as Hoadleyville and later named Greystone. Silas Hoadley was an active citizen in Plymouth and was elected three times to the State Assembly and once, in 1844, to the State Senate. He died in Plymouth on December 28, 1870.
Greystone, also called Ireland and then Hoadleyville, was a busy community in its early history.
Trains regularly stopped at Greystone Station.
The Hancock Brook provided waterpower
this page online
Waterwheels and later, turbines were used to run the factory machinery.
(timeline at bottom)
1700 – Sawmill Amos & Abraham Hickox
1750 – Gristmill Calvin Hoadley
1806 – Clock Factory Eli Terry, Seth Thomas, Silas Hoadley
1810 – Thomas & Hoadley Mechanics in Company
1814 – Silas Hoadley Clock Factory
1850 – Hancock Valley Manufacturing Co.
Topics. This historical marker is listed in this topic list: Industry & Commerce.
Location. 41° 36.935′ N, 73° 2.162′ W. Marker is in Plymouth in Naugatuck Valley Region, Connecticut. It is on Greystone Road Ext. 0.2 miles east of Greystone Road, on the right when traveling east. Located at the bridge over Hancock Brook. Touch for map. Marker is in this post office area: Plymouth CT 06782, United States of America. Touch for directions.
Regionally, this marker is in Connecticut’s Berkshire Foothills and in the Litchfield Hills. It is also in the American Northeast and in New England. Globally, it is in North America, the Western Hemisphere, the Western World, and the
Photographed by Michael Herrick, November 16, 2015
2. Greystone Station
(detail photo from the marker)
Other nearby markers. At least 8 other markers are within 4 miles of this marker, measured as the crow flies: Waterbury Vietnam War Memorial (approx. 1.8 miles away); Waterville Veterans (approx. 2 miles away); The Navy Cross (approx. 2 miles away); Oakville World War II Memorial (approx. 3.2 miles away); Wolcotts Pride (approx. 3.3 miles away); Kenea Soldiers Monument (approx. 3.3 miles away); Wolcott Veterans Monument (approx. 3.3 miles away); Wolcott (approx. 3.3 miles away).
Also see . . .
1. Eli Terry on Wikipedia. (Submitted on November 23, 2015, by Michael Herrick of Southbury, Connecticut.)
2. Silas Hoadley on Wikipedia. (Submitted on November 23, 2015, by Michael Herrick of Southbury, Connecticut.)
Photographed by Michael Herrick, November 16, 2015
3. Old Clock Factory 1875
(detail photo from the marker)
Photographed by Michael Herrick, November 16, 2015
4. Greystone Falls Marker
Credits. This page was last revised on May 19, 2026. It was originally submitted on November 23, 2015, by Michael Herrick of Southbury, Connecticut. This page has been viewed 1,293 times since then and 29 times this year. Photos: 1, 2, 3, 4. submitted on November 23, 2015, by Michael Herrick of Southbury, Connecticut.
