mouldboard plough
21plowshare — noun a sharp steel wedge that cuts loose the top layer of soil (Freq. 2) • Syn: ↑ploughshare, ↑share • Hypernyms: ↑wedge • Part Holonyms: ↑moldboard plow, ↑mouldboard plough …
22British Agricultural Revolution — The British Agricultural Revolution describes a period of development in Britain between the 18th century and the end of the 19th century, which saw a massive increase in agricultural productivity and net output. This in turn supported… …
23Plowshare — In agriculture, a plowshare (or ploughshare) is a component of a plow (plough). It is the cutting or leading edge of a moldboard which closely follows the coulter (one or more ground breaking spikes) when plowing (ploughing).The plowshare itself… …
24Early Middle Ages — The Early Middle Ages is a period in the history of Europe following the fall of the Western Roman Empire spanning roughly five centuries from AD 500 to 1000. [Events used to mark the period s beginning include the sack of Rome by the Goths (410) …
25Medieval technology — Pumhart von Steyr, a 15th century supergun …
26Sokha — In the region of Russia, a sokha ( ru. соха) was a light wooded plough which could be pulled by one horse. The historic sources show that it was in use in Russia at least since the 13th century. It s origin was in north Russia, for example… …
27Timeline of Russian inventions and technology records — The Hall of Space Technology in the Tsiolkovsky State Museum of the History of Cosmonautics, Kaluga, Russia. The exhibition includes the models and replicas of the following Russian inventions: the first satellite, Sputnik 1 (a ball under the… …
28lister — /ˈlɪstə/ (say listuh) noun US a plough with a double mouldboard used to prepare the soil for planting by producing furrows and ridges, and often fitted with attachments for dropping and covering the seeds. Also, lister plow, lister plough. {list2 …
29furrow slice — noun a slice of earth turned up by the mouldboard of a plough …
30lister — noun US a plough with a double mouldboard. Origin C19: from list1 in the 18th cent. sense prepare land for a crop + er1 …
