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Jethro Wood's plow design was later supplanted by the further improvements of John Deere, who furnished the plow with polished plowshares that enabled it to break up prairie sod. [ 25 ] After his death, Wood’s son, Benjamin Wood continued his battles against copy patents, working with Clay, Webster, and John Adams and securing a reform to the ...
A plough or plow (both pronounced / p l aʊ /) is a farm tool for loosening or turning the soil before sowing seed or planting. [1] Ploughs were traditionally drawn by oxen and horses but modern ploughs are drawn by tractors. A plough may have a wooden, iron or steel frame with a blade attached to cut and loosen the soil.
In northern Europe the single-handled crook ard was favored, consisting of a stilt inserted into a pole with a crook-shaft, i.e., the pole had a curved shape and had a natural crook tip that served as a share. [7] Quadrangular ard. Later variations of the sole ard come in two types: the triangular and quadrangular ards.
Components of a simple drawn plow: 1) beam; 2) three point hitch; 3) height regulator; 4) coulter (or knife) 5) chisel 6) plowshare 7) moldboard Instrument for cleaning a plowshare used at a mill near Horažďovice, Czech Republic. In agriculture, a plowshare or ploughshare (UK; / ˈ p l aʊ ʃ ɛər /) is a component of a plow (or plough).
A Simba disk harrow An Evers disk harrow. A disk harrow is a harrow whose cutting edges are a row of concave metal discs, which may be scalloped or set at an oblique angle. It is an agricultural implement that is used to till the soil where crops are to be planted.
The wedge plow or Bucker plow was first developed by railroad companies to clear snow in the American West. The wedge plow forces snow to the sides of the tracks and therefore requires a large amount of force due to the compression of snow. The wedge plow is still in use today in combination with the high-maintenance rotary snowplow.
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In the oil and chemical process industries, a spade is a round piece of metal with a small tab that is placed in between two pipe flanges to give positive isolation from the centre, usually to prevent cross-contamination between fluids or to allow work on the line. The name comes from the shape, which is a little like a garden spade.