Seth Boyden (November 17, 1788 – March 31, 1870) was an American inventor.
He worked as a watchmaker and moved to Newark, New Jersey.
Boyden perfected the process for making patent leather, created malleable iron, invented a nail-making machine, and built his own steamboat. He is also credited with having invented a cut off switch for steam engines and a method for producing zinc from ore. At the time of his death, he told friends that he had, even at that time, enough experiments on hand to last two whole lifetimes.
In 1818, Boyden received a piece of German manufactured high-gloss leather (said to be a German military cap front) from a local carriage manufacturer and used that to investigate the possibility of creating a version of leather in the United States that was treated in such a way that the material would be decidedly more dressy than work boots and similar leather goods, but retained its desirable qualities of protection and durability. To reverse engineer the European leather, Boyden set up a shed at the Malleable Cast Iron Foundry of Condit & Bowles at 25 Orange Street in Newark, New Jersey and ultimately discovered a way to produce his own patent leather. Using a formula that was based on a series of treatments using layers of linseed oil-based coats, the new shiny leather began commercial production on September 20, 1819. Boyden's efforts resulted in the production of glossy leather that quickly caught on as a complement for formal dress. Despite its name, Boyden never patented his process.
Boyden began his work with malleable iron in 1820, when he was 32 years old. From observing the behavior of iron that stuck to the walls of his grandfather's forge, he had developed a theory about the heat treatment of iron. He completed his research in 1826, and won an award ("Premium No. 4") from the Franklin Institute in Philadelphia two years later, who noted that Boyden's annealed cast iron specimen No. 363, containing an assortment of buckles, bits, and other castings, were "remarkable for their smoothness and malleability" and "the first attempt in this country to anneal cast iron for general purposes." This invention, now called blackheart iron, is one of the most important contributions to metallurgy by an American.
Several sources state that Boyden "made the first American daguerreotype" and this statement appears on a plaque at the base of a Boyden statue in Newark's Washington Park. While it has long been accepted that D.W. Seager of New York City produced the first daguerreotype in America, it is unclear which other Americans may have been experimenting with the process prior to a public display of Seager's daguerreotypes in the Summer of 1839. A daguerrean camera built by Boyden still exists in the collection of the Newark Museum.
Boyden rarely patented his inventions, preferring instead to take individual contracts and to build and sell off businesses. He did make large sums from this, but not enough to support his research and to provide for his old age. During the last 15 years of his life, Boyden lived in near-poverty in Hilton, New Jersey (now Maplewood, New Jersey) and developed a hybrid strawberry known as the Hilton strawberry.
Seth Boyden's name is found on an elementary school in Maplewood, New Jersey, and a complex of public housing projects in Newark, New Jersey. (See Seth Boyden housing projects).
His maternal ancestors had resided in Lancaster, Massachusetts having been pioneer settlers to the area. He is a direct descendant of James Atherton, who arrived in Dorchester, Massachusetts, in the 1630s. The Atherton family ancestry originated from Lancashire, England.
- Shaw, William H. (1884). History of Essex and Hudson Counties, New Jersey (History of Essex and Hudson Counties, New Jersey, Volume 1 ed.). Philadelphia: Everts & Peck. p. 592.
- "Birthday Banquet Recalls Genius," Nation's Business, April 1926, pg. 70
- Shaw, William H. (1884). History of Essex and Hudson counties, New Jersey, Volume 1. Everts & Peck. p. 592. Retrieved February 2, 2016.
- "Origin of Malleable Iron and Patent Leather". Scientific American. Rufus Porter. 5 (46): 368. 1850. doi:10.1038/scientificamerican08031850-368d. Retrieved September 22, 2011.
- "Directory of the City of Newark, for 1851-52". ebooksread.com. B. T Pierson. September 22, 2011.
- Tuttle, Brad R. (2009). How Newark became Newark: the rise, fall, and rebirth of an American city. Rutgers University Press. p. 27. ISBN 978-0-8135-4490-8. Retrieved September 21, 2011.
- "Franklin Institute". The Register of Pennsylvania. 2: 263. 1828. Retrieved September 22, 2011.
- "Seth Boyden, Discoverer of a Process of Making Malleable Cast Iron". Valve World: 5. October 1906.
- "Boyden, Seth." Student's Encyclopædia. 2009. Britannica Student Encyclopædia. April 30, 2009
- Newhall, Beaumont, The Daguerreotype in America', 1976, pg. 22
- Mace, O. Henry, "The Boyden Daguerreotype Camera," The Daguerreian Annual 2005
- "A Bronze Statue to an American Mechanical Engineer". The Engineer: 122. May 24, 1890.
- "James Atherton entry on the Atherton ONS".
- "James Atherton of Dorchester settled in Lancaster Massachusetts in 1654".
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