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 patent 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 patent leather, Boyden set up a shed at the Malleable Cast Iron Foundry of Condit & Bowles at 25 Orange in Newark, New Jersey (Coordinates: ) 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 20 September 1819. Boyden’s efforts resulted in the production of glossy leather that quickly caught on as a complement for formal dress. Ironically, Boyden never patented his inventive patent leather 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 maleability" and "the first attempt in this country to anneal cast iron for general purposes."
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. Additionally, a statue of Boyden stands in Newark's Washington Park.
- "Birthday Banquet Recalls Genius," Nation's Business, April 1926, pg. 70
- Shaw, William H.; Everts & Peck (1884). History of Essex and Hudson counties, New Jersey, Volume 1. Everts & Peck. p. 592. Retrieved September 22, 2011.
- "Origin of Malleable Iron and Patent Leather". Scientific American (Rufus Porter) 5 (46): 368. Retrieved 22 September 2011. Unknown parameter
- "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 0-8135-4490-4. Retrieved September 21, 2011.
- "Franklin Institute". The Register of Pennsylvania 2: 263. 1828. Retrieved September 22, 2011.
- "Boyden, Seth." Student's Encyclopædia. 2009. Britannica Student Encyclopædia. 30 Apr. 2009
- Newhall, Beaumont, The Daguerreotype in America', 1976, pg. 22
- Mace, O. Henry, "The Boyden Daguerreotype Camera," The Daguerreian Annual 2005
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