The Hilliard Mills
The Hilliard Mills complex is located at 642 Hilliard Street in Manchester, Connecticut, west of Adams Street. This historic mill site currently consists of six buildings, roughly 104,000 square feet of space on over five acres of land at the confluence of the Bigelow Brook and Hockanum River. The site is listed on the State of Connecticut List of Historic Places.
In 1672, John Allen was granted land for a sawmill by the General Court of the Colony of Connecticut, making it one of the oldest (if not the oldest) continuously occupied industrial sites in the country. Records indicate that the early American industrialist Aaron Buckland already had a woolen mill in operation at the site ca 1780, making it the oldest woolen mill in the country. During the period when Mr. Buckland owned the mill it has been reported that it produced the wool for the suit that President George Washington wore to his inauguration. It is confirmed that blankets for soldiers in the War of 1812 came from this factory. In 1824 Aaron Buckland sold the mill to Tracy and Williams. In 1828, Tracy and Williams then conveyed the property to Sidney Pitkin, who took on Elisha Edgarton Hilliard as an apprentice there.
In 1832, Mr. Hilliard became one-quarter owner and by 1842 became sole-owner of the mill. In 1849, E. E. Hilliard sold one quarter of his interests to Ralph E. Spencer and the business was known as Hilliard and Spencer. By 1871, the factory was again solely owned by Mr. Hilliard and named the E. E. Hilliard Company. During Mr. Hilliard's tenure, the company made blankets and clothing for the Union Army in the American Civil War. After the death of E. E. Hilliard in 1881, his son took over the family business built the structure known today as Building #2 in 1895. The company acquired the rights to a brick lined pond in 1901, the former Peter Adams site and built a long raceway that extended through Building #4 for both power and washing requirements. The mill was further expanded in 1925 by the addition of Building #1 to accommodate the upturn in business.
The Great Depression took its toll on the business and by 1940, the mills were silent. When it closed in 1940, the Hilliard Company was the oldest family-owned, continuously operated factory in the U.S . The site was then sold to Mr. Aaron Krock, who leased them to the United Aircraft Corporation for the war effort. During the War the site was known as Plant J at Buckland. Small tubes, tappets and roller guides were produced at Plant J, as well as the tool refurbishment for all of United Aircraft was completed at the site.
In 1949, the entire site was purchased by the Bezzini Brothers for their company Old Colony Furniture. At the company's height, they were one of the largest furniture manufacturers on the east coast and supplied to retailers like Macys, G. Fox and Co. and Saks Fifth Avenue. Famous for its top notch upholstery work, Old Colony had a long and successful career and the name is still well known to this day.
In 2006 the Bezzini brothers sold the remaining three buildings to Hilliard Mills LLC. In 2009 Hilliard Mills LLC acquired the last remaining mill buildings to the east, reuniting the site for the first time since 1980. 
Many different buildings were constructed on the site during the past 300 plus years.
Building #1: Was constructed in 1925 by the H.W. Lines Company. It was designed by Charles T. Main of New York. The front facade is in the Art Deco Style, while the other three sides are classic New England Mill in design. The 1925 cost of the building was $151,421. It is one of the oldest examples of Art Deco architecture in Connecticut. At three floors and about 50,000 total square feet, this is the largest building at the site, made of brick, steel and heavy timbers. Building #1 is connected to Building #2.
Building #2: Was constructed in 1895. At four stories and 30,000 square feet, it is the largest timber frame building in Connecticut. The main beams are almost all made of Longleaf pine, with some over 40' long.
Building #3: Was built in two phases, the south 50' by 40' portion was constructed in 1882 as an addition to Building #6and the north portion of 50' was added in 1905. At two stories and 8,000 total square feet, Building #3 is in the brick and timber style.
Building #4: Was built as the dye house for the site in the mid-1800s. The current building was built in two phases, 1902 and 1923. The original brick floor is still visible. This building has a clearstory, making it unique in design at the site. It is one story and 6,500 square feet.
Building #5: Was built as an office add-on around 1890 and is connected to Building #6. It is styled in the Queen Anne Victorian motif, and is less than 1,000 square feet in size.
Building #6: Around 1780 Buckland built his carding mill along the Bigelow Brook. Originally roughly 18' by 30', this structure largely burned in 1833. Only the first floor beams and basement remain from this era. In 1833-34, this section was rebuilt and a 50' by 32' three story addition was added to the structure to the north, made of hand-hewn chestnut beams. Around 1860 a 30' addition facing north was added, constructed of hand-hewn oak timbers. Other softwood additions were made in the late 1800s, which were removed in 2009 and 2010. Building 6 at 10,000 square feet and three stories is currently configured how it was during the Civil War and is in the Greek Revival Style.
Original Dam: The original earthen and granite dam is still visible to the south of Building #6. It was damaged by floods in 1869, 1909 and 1938. The portion across the brook is gone, but the granite stones still can be seen along the brook.
John Allen's Sawmill: Constructed in the 1670s, nothing remains of those original buildings.
Boiler House: Originally the boiler house for the mill was constructed mid-1800s, and was removed in 1995. Some of the boiler house wall is still visible in Building #4.
Building #7: This building was built in two major steps. A smaller one story addition was added around 1880 and subsequently two more stories were added in 1907. The building was heavily damaged in the flood of 1909. This building was removed in 2009 for safety reasons, but the beams, bricks and flooring were recycled. The flooring from the third floor can be seen at the loom exhibit at the Manchester Historical Society on Pine Street.
Building #8: Was originally a stand-alone building along the Bigelow Brook. Built in 1892 of brick and heavy timbers, the building suffered damage both in the 1909 flood and improper modifications in the 1970s. This building was removed in 2009.
Building #9: This barn like building was built around 1900 and was removed around 1997.
Wool Barn: The wool barn once stood where Building #1 is today and was removed in 1925.
Chimney: The great square Hilliard Mills chimney once stood at an impressive 107 feet tall. The upper 60 feet were removed in 1995 and the ruins were cleared in 2008.
Hilliard's Pond and Dam: A large concrete dam was created south of West Middle Turnpike. A large riveted pipe over 1000' in length lead from the dam to Building #6 to power the turbine. The dam was intentionally breached in 1978, but the ruins are still visible to the rear of the Bigelow Brook Estates Condominiums.
Water Tower: Constructed in 1925 by Chicago Steel, the 50,000 gallon tank used to feed the sprinkler system at the site. This tower was scrapped and removed in 1995
Horizontal Turbine, Penstock and Mill Raceway: The penstock started from Hilliard's Pond and led all the way under Building #6 to a horizontal turbine. The turbine is still in place at the site, but is buried as of July 2012. The raceway has been largely filled in between the turbine and Building #1.
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ca. 1780-1824: Aaron Buckland founds and operates the first woolen mill in the country.
1789: The wool used to make the suit for George Washington's Inauguration purportedly comes from Buckland's mill.
1824: Aaron Buckland sells to the mill to Andrew Williams and Simon Tracy.
1828: Tracy and Williams convey the property to Sidney Pitkin.
1831: Apprentice Elisha E. Hilliard is made one quarter owner of the mill.
1833: Building #6 is constructed
1842: E. E. Hilliard buys Mr. Pitkin's interest in the mill and becomes sole owner.
1849: Mr. Hilliard sells one quarter to Ralph Spencer, forms Hilliard and Spencer Company.
1875: Building #4 is constructed
1871-1940: Mr. Spencer sells his interests back, Mr. Hilliard and his successors found and operate the E.E. Hilliard Woolen Company on the site.
1882: Building #3 is constructed
1895: Building #2 is constructed.
1925: Building #1 is constructed.
1940-1949: Buildings purchased by Mr. Aaron Krock. The site was used to manufacture aircraft parts during World War II by the Pratt and Whitney Corporation.
1949-2006: Purchased by the Bezzini family, Old Colony Furniture Company has a long and successful history as one of the largest furniture makers on the east coast.
2006: Hilliard Mills LLC takes over the main site, which includes Buildings #1, #2 and #4, and begins the restoration efforts.
2009: Hilliard Mills LLC acquires the remaining portion of the mills to the east, which includes Buildings #3 and #6.
As of May 2014, the Hilliard Mills site is undergoing redevelopment for business and commercial uses by Hilliard Mills LLC. This project is a prime example of adaptive reuse and mill conversion. All buildings are undergoing extensive restoration and renovation, with Buildings 1, 2 and 3 currently in use. In addition to the building work considerable site, parking and landscaping work is also in progress.
 Adams, M., "Old Manchester, a Picture Book", Grames Printing, Manchester, CT, 1994
 Adams, M., "Old Manchester II, The Storytellers", Grames Publishing, Manchester, CT, 1995
 Speiss, M., "History of Manchester", Higgison Book Company, Salem, MA, 1924
 The Manchester Historical Society Website
 The Hilliard Mills Website (content used with explicit permission), 2013