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Newlin Mill Complex


Newlin Mill Complex

Newlin Mill Complex
North side of the mill building
Newlin Mill Complex is located in Pennsylvania
Newlin Mill Complex
Location U.S. 1 and Cheyney Road, Glen Mills, Pennsylvania
Built 1704
Governing body Private
NRHP Reference # 83002240[1]
Significant dates
Added to NRHP March 9, 1983
Designated PHMC May 05, 1959[2]

The Newlin Mill Complex, a water powered gristmill on the west branch of Chester Creek near Concordville, Pennsylvania, USA, was built in 1704 by Nathaniel and Mary Newlin and operated commercially until 1941. During its three centuries of operation, the mill has been known as the Lower Mill, the Markham Mill, the Seventeen-O-Four Mill and the Concord Flour Mill.[3] In 1958 the mill property was bought by E. Mortimer Newlin, restored and given to the Nicholas Newlin Foundation to use as a historical park.[4] Water power is still used to grind corn meal which is sold on site. The park includes 5 historical buildings, which were added to the National Register of Historic Places in 1983, and 150 acres (61 ha) of natural woodland.[5]


  • History 1
  • Buildings 2
    • Mill 2.1
    • Warehouse 2.2
    • Miller's house 2.3
    • Trimble House 2.4
    • Railway station 2.5
    • Park 2.6
  • References 3
  • Sources 4
  • External links 5


Southwest view of the mill

Nicholas Newlin, a member of the Religious Society of Friends, an Englishman who lived in the Quaker town of Mountmellick, then in Queens County, Ireland, emigrated to Pennsylvania with his family because of religious persecution. He arrived with his wife, Elizabeth, and children, Nathaniel, Rachel, and John, in May 1683 on the ship Levee from Liverpool. In October he bought land from William Penn and settled in Concord Township, about ten miles (16 km) northwest of the town of Chester. He was a prominent citizen, serving on the province's governing body, the Provincial Council in 1686 and 1687, as a Justice of the Peace, and on the Courts of Chester County.[6][7]

His son, Nathaniel, built the present mill, the third grist mill in the township. Nathaniel also served as a Justice of the Peace, and on the Courts of Chester County, and served in the Provincial Assembly from 1698 to 1722. Through inheritance from his father and his wife's family, and by purchase of 7,750 acres (31.4 km2) that became Newlin Township, he became one of the largest landowners in Chester County.[8]

In 1739 the grandson of Nathaniel, Nathaniel Newlin III, built a house for the head miller.[4] In 1742 neighboring grist mill owners, William and Anne Trimble, built a house overlooking the Newlin mill.[5] A mile to the west in the village of

  • Newlin Grist Mill - official site
  • Mill interior structure

External links

Sellers, Nicholas, Short History of Newlin Grist Mill, Ch. 2 in Place, Memory and Time, Essays Commemorating The Tricentenial of the Nathaniel Newlin Grist Mill, 1704–2004. Nicholas Newlin Press. 2004.  

Wallace, Antony F.C., The Mystique of Old Mills, Ch. 1 in Place, Memory and Time, Essays Commemorating The Tricentenial of the Nathaniel Newlin Grist Mill, 1704–2004. Nicholas Newlin Press. 2004.  


  1. ^ "National Register Information System". National Register of Historic Places.  
  2. ^ "Colonial Gristmill - PHMC Historical Markers". Historical Marker Database. Pennsylvania Historical & Museum Commission. Retrieved December 20, 2013. 
  3. ^ Sellers, p.21
  4. ^ a b c d e f "The Gristmill". Nicholas Newlin Foundation. Retrieved November 13, 2009. 
  5. ^ a b c "National Register of Historic Places - Inventory - Nomination Form". National Historic Landmarks & National Register of Historic Places in Pennsylvania. Commonwealth of Pennsylvania. Retrieved November 13, 2009. 
  6. ^ Sellers, pp.23-24
  7. ^ Launey, John Pitts (2008). First families of Chester County, PA, Volume 1. Heritage Books. p. 176. ISBN 1585490156, ISBN 978-1-58549-015-8. 
  8. ^ Sellers, pp.24-26
  9. ^ Milling, the Revolutionary War, and Industrial Innovation
  10. ^ Bodle, Wayne (2004). The Valley Forge Winter: Civilians and Soldiers in War. Penn State Press. p. 335. ISBN 0271025263, ISBN 978-0-271-02526-1.  p. 47
  11. ^ a b "Colonial Gristmill". Commonwealth of Pennsylvania. Retrieved November 13, 2009. 
  12. ^ Smith, George (1862). History of Delaware County, Pennsylvania: from the discovery of the territory included within its limit to the present time. Media, Pennsylvania: H.B. Ashmead. p. 344. 
  13. ^ Sellers, pp.27-28
  14. ^ The railroad was later known as the Octoraro Branch of the Pennsylvania Railroad.
  15. ^ Sellers, pp.32-33
  16. ^ a b Place, Memory and Time, Essays Commemorating The Tricentenial of the Nathaniel Newlin Grist Mill, 1704–2004. Nicholas Newlin Press. 2004.  
  17. ^ Wallace, p. 7
  18. ^ Woodfin, H. Dabbs. "Reconstruction of an 18th Century Mill". Nicholas Newlin Foundation. Retrieved November 13, 2009. 
  19. ^ See Wallace, p.11. The date may have been 1818 with Evans participating in the installation on site.
  20. ^ Sellers, p.33
  21. ^ Sellers, p. 37
  22. ^ "Pennsylvania Historic Resource Survey Form". Commonwealth of Pennsylvania. Retrieved November 17, 2009. 
  23. ^ "The Park at Newlin Grist Mill". Nicholas Newlin Foundation. Retrieved November 13, 2009. 


The five original buildings form the core of a 150 acres (61 ha) park, which is mostly natural woodlands. A 1710 springhouse from a local farm was moved to the park in the 1970s and a small barn was moved from northern Delaware to the area behind the miller’s house. In 1965 a log cabin was constructed, which is used for meetings, receptions, and parties. A new “18th Century” blacksmith shop replica was constructed in 1975. Tennis courts and a ball field are also included in the park.[23]


The 1 12-story Gothic-style station was originally built in 1868–1869 by Samuel Hill. It served as a post office and polling station for the community of mill workers in the area. It burned down in 1890 and was rebuilt the next year, serving as a railway station until the 1930s. It is used now as the park office.[5]

Railway station

This house was built into the hill above the mill and the miller’s house in 1742, also with four rooms. It was expanded by 1765 to accommodate William Trimble’s growing family . It has nine fireplaces, a 53 foot (16 m) deep well and much of the original flooring, woodwork, doors, and hardware. The Newlin Foundation bought the house in 1998 and it is used as a private residence.[4]

The old railway station

Trimble House

Built in 1739 of stone, it is adjacent to the south side of the mill. There are two rooms on each of the two floors, with a fireplace in each room, and a beehive oven attached to the kitchen. A third story was added about 1860 and removed during a restoration in the 1960s.[4] This house should not be confused with the Newlin Miller's House about 12 miles (19 km) north in West Whiteland Township which was built in the early 19th century by William Newlin and listed separately in the National Register of Historic Places.[22]

Miller's house

Miller's house

The warehouse is a 2 12-story stone building to the east of the lower level of the mill. It was built by Nathaniel Newlin after he built the mill to use as a dry goods store. It now serves as the Foundation's archive.[4]



At that time the mill had four mill stones and two wooden overshot water wheels with a 24-foot (7.3 m) fall, producing about 20 horsepower (15 kW). A wood framed upper story was added about 1890.[21]

1870 production
Products Amount purchased Purchase cost Milled product Amount produced Gross revenue
wheat 25,000 bu. $31,250 flour 5,000 bu. $35,000
corn 25,000 bu. $22,500 meal 750 tons $25,000
other 1,000 bu. $600 meal 35 tons $1,600
plaster 225 tons $1,575 plaster 225 tons $2,000
From Nicholas Sellers, Short History of Newlin Grist Mill, p. 37. Data from the Federal Manufacturing Census of 1870.[16]
In 1870 the following products were produced.

Sometime after 1817 William Trimble expanded the mill and enclosed the mill wheel. It ground about 60,000 bushels of corn per year at that time. Sometime before 1850 the mill was refitted according to the Oliver Evans automated mill design and began to grind wheat flour.[19] In 1850 owner Casper Sharpless purchased 20,000 bushels of wheat for $22,000 and sold flour worth $30,000.[20]

The mill measures 35 feet (11 m) wide by 70 feet (21 m) long. A date stone on an exterior wall is marked "Nathan'l Mary Newlin 1704." The dam and the half-mile mill race, which provides the water that powers the mill, were built the same year. The original grindstone was imported from France. The mill was built of fieldstone into a hillside: the north side two stories, the south side one story high. The mill wheel was originally outside the mill and was probably breastshot[17] It was reconstructed in 1976, weighs 1,500 pounds (680 kg) and measures 16 feet (4.9 m) by 4 feet (1.2 m), with 52 buckets. The water exits underground through the tail race and travels about 150 yards (137 m) back to Chester Creek. The floors and mill machinery are supported by a hurst frame, an inner timber frame that is separated from the outer stone walls so that vibrations do not break the outer walls.[18] The process of grinding the corn may be viewed at the mill or on video.

External video
"The Power of Water - The Newlin Gristmill" produced by Nicholas Newlin Foundation[4]



Ownership of Mill Site
Ownership dates Owner (lifespan)
September 24, 1683
Nicholas Newlin (1630–1699) Bought 500 acres (202 ha) from William Penn
April 17, 1685
Nathaniel Newlin (1663–1729) Given 250 acres (101 ha) as a wedding present
Built mill 1704
1729–1768 Nicholas Newlin (1689–1768) Inherited land and mill from his father
1768–1811 Thomas Newlin (1747–1811) Inherited land and mill from his father
1811–1817 Benjamin Newlin (1784–1873) Inherited land and mill from his father
Sold land to pay for inheritance lawsuit
July 31, 1817
William Trimble (1766–1842) Bought 26 acres (11 ha), mill and 2 houses for $9,005
1829–1835 Abraham Sharpless (1748–1835) Bought 26 acres (11 ha), mill and 2 houses for $5,500
1835–1869 Casper Sharpless (1805–1865) Inherited land and mill from his father
Mill unsold for 4 years after his death
April 21, 1869
John H. Hill (1799–1880) Relative of the Newlins
Bought mill and land for $25,500
1880–1929 Samuel Newlin Hill (1842–1929) Inherited land and mill from his father
1929–1942 William W. Hill (1863–1943) Inherited land and mill from his father
Active mill operation ceased 1942
October 27, 1942
Daniel I. Conlon Intended to convert to a residence
March 2, 1956
E. Mortimer Newlin (1898–1977) 7th generation descendent of Nathaniel Newlin
First purchase included
mill, warehouse, miller's house and 3.5 acres (1.4 ha)
December 2, 1960
Nicholas Newlin Foundation Founded by E. Mortimer Newlin to preserve the mill
From Nicholas Sellers, Short History of Newlin Grist Mill, p. 22.[16]

The Philadelphia and Baltimore Central Railroad was built through the property in 1859; this allowed the mill to market its flour in Philadelphia and Baltimore.[14] A railway station was built in 1868 and Samuel Hill bought the mill in 1869. In 1942 the mill stopped commercial production and the buildings were used temporarily as a bookstore and an antique store. In 1956 Nicholas’s eighth-generation descendant, E. Mortimer Newlin, purchased the property and later formed the Nicholas Newlin Foundation to restore and preserve the mill.[15] Restorations were completed in 1962, and again in 1992.

The Newlin family owned the mill until 1817, selling to William Trimble, Jr. Thomas Newlin, who died in 1811, had remarried after his wife's death. Disagreements between his two sets of children resulted in a judgement of $11,326.30 against his estate, forcing the sale of the mill.[13]

Southeastern Pennsylvania was the leading producer of grain in the colonial period and mills could be easily powered by the steep descent of the streams, called the fall line, in the area. By 1781 there were 127 gristmills in Chester County, which then included present-day Delaware County.[11] The Newlin mill only served local and domestic needs and was known as a "country mill" rather than a "merchant mill" which would produce finer flour for urban and export markets.[11][12]

The Trimble House


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