James Small (1740, Dalkeith, Midlothian – 1793) was a Scottish inventor instrumental in the invention of the modern-style iron swing plough in 1779–80.[1]
. Christopher Smout. A History of the Scottish People 1560-1830. Collins. London. 1969. 235. 978-0-00-686027-3.) or 1784 (Web site: James Small. Gazetteer for Scotland.)