Jethro Wood

Jethro Wood (March 16, 1774^[1] – 1834) was the inventor of a cast-iron moldboard plow with replaceable parts, the first commercially successful iron moldboard plow. His invention accelerated the development of American agriculture in the antebellum period.^[2]

^ Appleton 1918, p. 174.
^ Tucker, Spencer C. (2013). American Civil War: The Definitive Encyclopedia and Document Collection. p. 16. ISBN 978-1851096824.

[FOOTNOTEAppleton1918174-1] Appleton 1918, p. 174.

[2] Tucker, Spencer C. (2013). American Civil War: The Definitive Encyclopedia and Document Collection. p. 16. ISBN 978-1851096824.

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