Butler Township in Butler County, Pennsylvania — The American Northeast (Mid-Atlantic)

Preston Laboratories

Photographed by Bradley Owen, September 16, 2025

1. Preston Laboratories Marker

Inscription.
Circa 1937
Has been placed on the
National Register
of Historic Places
by the United States
Department of the Interior

Topics and series. This historical marker is listed in this topic list: Notable Places. In addition, it is included in the National Register of Historic Places (NRHP) series list. A significant historical year for this entry is 1937.

Location. 40° 51.181′ N, 79° 57.09′ W. Marker is near Butler, Pennsylvania, in Butler County. It is in Butler Township. It can be reached from South Eberhart Road south of Highland Avenue, on the left when traveling south. Marker is located in Preston Park. Touch for map. Marker is at or near this postal address: 415 South Eberhart Road, Butler PA 16001, United States of America. Touch for directions.

Regionally, this marker is in Northwestern Pennsylvania

and in Greater Pittsburgh.

It is also in the American Northeast,

in the Mid-Atlantic,

in Appalachia,

and specifically in Northern Appalachia. Globally, it is in North America,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once the Haudenosaunee (Iroquois)

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Confederacy

and also one of the original Thirteen Colonies.

Other nearby markers. At least 8 other markers are within 3 miles of this marker, measured as the crow flies: In Honor and Remembrance (a few steps from this marker); Meridian Veterans Club Memorial (approx. 0.4 miles away); Meridian Honor Roll (approx. one mile away); Pvt. Michael Kosar (approx. 2 miles away); Invention Of The Jeep (approx. 2.1 miles away); Pullman-Standard (approx. 2.2 miles away); a different marker also named Pullman-Standard (approx. 2.2 miles away); Pfc. Paul E. Angert (approx. 2.7 miles away). Touch for a list and map of all markers in Butler.

Also see . . . Preston Park Description, History and Significance.

Preston Laboratories is an 88-acre property located in Butler Township, Butler County, PA. It was the science research facility and later residence of Dr. Frank W. Preston and wife Jane Hupman Preston. Construction of the facility began with the main laboratory in 1936 with minor buildings added in the 1950s. Dr. Preston retired in 1959 and sold his business at that time, concluding the period of significance. There are seven contributing
Photographed by Bradley Owen, September 16, 2025

2. Preston Laboratories Marker
buildings, two contributing structures, two contributing objects, and two contributing sites. Other than maturing vegetation, the Preston Laboratories property has not changed since 1959. Preston died in 1989 and his widow made no notable changes to the time of her death in 2008. Mrs. Preston donated the property to Butler Township.

(Submitted on September 20, 2025, by Bradley Owen of Morgantown, West Virginia.)

Preston Laboratories Main Building image. Click for full size.

Photographed by Bradley Owen, September 16, 2025

3. Preston Laboratories Main Building

Credits. This page was last revised on September 20, 2025. It was originally submitted on September 20, 2025, by Bradley Owen of Morgantown, West Virginia. This page has been viewed 83 times since then and 23 times this year. Photos: 1, 2, 3. submitted on September 20, 2025, by Bradley Owen of Morgantown, West Virginia.