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North Braddock in Allegheny County, Pennsylvania — The American Northeast (Mid-Atlantic)
 

Edgar Thomson Plant

U.S. Steel Mon Valley Works

 
 
Edgar Thomson Plant Marker image. Click for full size.
Photographed By William Fischer, Jr., May 27, 2023
1. Edgar Thomson Plant Marker
Inscription.  
ASM International
The Materials Information Society
Has Designated
Edgar Thomson Plant
U.S. Steel Mon Valley Works
An Historical Landmark
“Built in 1873 by Andrew Carnegie, the Edgar Thomson Plant pioneered numerous technological advances in the production of quality steel products of the railroad, automotive and appliance industries” 1994
 
Erected 1994 by ASM International The Materials Society.
 
Topics and series. This historical marker is listed in this topic list: Industry & Commerce. In addition, it is included in the ASM International Historical Landmarks series list.
 
Location. 40° 23.822′ N, 79° 51.574′ W. Marker is in North Braddock, Pennsylvania, in Allegheny County. Touch for map. Marker is at or near this postal address: 1300 Braddock Avenue, Braddock PA 15104, United States of America. Touch for directions.
 
Other nearby markers. At least 8 other markers are within walking distance of this marker. Braddock's Spring (here, next to this marker); War Memorial (within shouting distance of this marker); Joe Magarac • 1940 (about 400 feet away, measured
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in a direct line); The Great Steel Strike of 1919 (approx. 0.2 miles away); Braddock Carnegie Library (approx. 0.4 miles away); Alexander M. Scott High School (approx. 0.4 miles away); Lafayette's Tour (approx. half a mile away); Braddock's Defeat (approx. half a mile away). Touch for a list and map of all markers in North Braddock.
 
Edgar Thomson Plant Marker image. Click for full size.
Photographed By Allen C. Browne, October 13, 2016
2. Edgar Thomson Plant Marker
This bronze plaque is hard to see through its decaying plastic cover.
Edgar Thomson Plant Marker image. Click for full size.
Photographed By Allen C. Browne, October 13, 2016
3. Edgar Thomson Plant Marker
Andrew Carnegie<br>Nov. 25, 1835 - Aug. 11 1919 image. Click for full size.
Photographed By Allen C. Browne, October 13, 2016
4. Andrew Carnegie
Nov. 25, 1835 - Aug. 11 1919
Steel industrialist, philanthropist, and writer. Founder of Carnegie, McCandless & Co. in 1873, and Carnegie's first steel mill, the Edgar Thomson works in 1875.
Close-up of photo on marker
J. Edgar Thomson<br>Feb. 10, 1808 - May 27, 1874 image. Click for full size.
Photographed By Allen C. Browne, October 13, 2016
5. J. Edgar Thomson
Feb. 10, 1808 - May 27, 1874
Third president of the Pennsylvania Railroad, after whom Andrew Carnegie and his associates name the Edgar Thomson Steel Works at Bessemer near Pittsburgh.
Close-up of photo on marker
USS Edgar Thomson Works image. Click for full size.
Photographed By Allen C. Browne, October 13, 2016
6. USS Edgar Thomson Works
Marker can be seen behind the "Last Slab Rolled."
Steel Rails image. Click for full size.
Photographed By Allen C. Browne, October 13, 2016
7. Steel Rails
Attached to the marker.
Last Slab Rolled 10-31-92 image. Click for full size.
Photographed By Allen C. Browne, October 13, 2016
8. Last Slab Rolled 10-31-92
First Slab Cast 8-9-92 image. Click for full size.
Photographed By Allen C. Browne, October 13, 2016
9. First Slab Cast 8-9-92
USS<br>United States Steel Corporation<br>Edgar Thomson Plant<br>Since 1875 image. Click for full size.
Photographed By Allen C. Browne, October 13, 2016
10. USS
United States Steel Corporation
Edgar Thomson Plant
Since 1875
Edgar Thomson Plant<br>Breathing Fire image. Click for full size.
Photographed By Allen C. Browne, October 13, 2016
11. Edgar Thomson Plant
Breathing Fire
Edgar Thomson Plant Lost Workers Marker image. Click for full size.
Photographed By William Fischer, Jr., May 27, 2023
12. Edgar Thomson Plant Lost Workers Marker
 
 
Credits. This page was last revised on May 31, 2023. It was originally submitted on November 8, 2016, by Allen C. Browne of Silver Spring, Maryland. This page has been viewed 535 times since then and 71 times this year. Photos:   1. submitted on May 31, 2023, by William Fischer, Jr. of Scranton, Pennsylvania.   2, 3, 4, 5, 6, 7. submitted on November 8, 2016, by Allen C. Browne of Silver Spring, Maryland.   8, 9, 10. submitted on November 10, 2016, by Allen C. Browne of Silver Spring, Maryland.   11. submitted on November 11, 2016, by Allen C. Browne of Silver Spring, Maryland.   12. submitted on May 31, 2023, by William Fischer, Jr. of Scranton, Pennsylvania. • Bill Pfingsten was the editor who published this page.

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Sep. 28, 2023