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HARROW. 
Common Double Harrow.—This is a fort of harrow which the mode of’ fixing an horfes .or other cattle in —— 
is ae formed merely by uniting two ordinary ones with them. This kind of harrow. is in much employ in 
hooks and eyes. They have commonly each four bulls, places, efpecially in the more potoeen parts of the rr ned 
and fix tines in each bull, This fort of harrow is in very being often drawn with one ho 
general ufe, in fome diftrifts, for the purpofe of brake-har- . re is a method. ea ‘to prevent harrows from 
rowing, or br king down the rough tillage foils, while at getting over each other, where | two. or more are u e 
the fame time it is “capable of fupplying the place.of the of together dift 
common harrow; but it is not ai any means * ealily which is that of placing a bar of fome tough wood, ufually 
wrought, as it requires much more power. It is not necef- called a /ay over, acr rof{s them ; or a piece of crooked timber 
fary to give any reprefentation of this kind of ost from fixed to the outfide bulls, which approach each other, may 
its heug fo well known. an{wer the fame purpofe. 
Common Brake Harrow.—Vhis isa large mafly kind of eel-Harrow.—This is a fort of harrow which was 
harrow, of confiderable weight, having commonly four bulls, invented b r. Knight, a farmer at Great Barfield, in 
with five or fix long tines fixed into each. It is anex- Effex, and confitts of a frame of wood fomewhat in the form 
pil aciby. tool in reducing ftiff, rough, heavy land of the common harrow, to the fore-part of which jis attached 
Bpov dery ftate, in as Boe it inte cultivation ; as well a pair of low wheels, that are fo managed.as to raife.or lower 
2 ay oofening couch-grafs, and other root t-weeds, i in the the harrow part at pleafure. 
courfe of a naked or fummer-fallow. Fe is; in. fome cafes, Tron Harrow.—This is cbntenéled wholly of that metab 
alfo employed after the feed is fown, previoufly to the ufe and was invented by Mr. A. Young, in confequence of his 
of the lighter forts of harrows ; and is commonly drawn by finding, from aétual experience, that fuch harrows as. are 
ree or four horfes, though in fome places by two horfes, formed of wood are apt to foon decay and fall in pieces; 
and the fame number of oxen. and in many cafes to be much too light to anfwer:the in- 
Harrows of this elcrnres have lately undergone much tended purpofe. The tines in this fort of harrow are made 
alteration and improvement + By different perfons, fo as to fo as to {crew through the double frame, se is feparated 
render them lefs difficult and give them by a kind of iron wafhers, in order to iteadi- 
more facility in the ead he ‘And i in fome a it has-been nefs. It has likewife handles fixed to it o the purpofe of 
found ufeful to have them made of different sd even fo raifing it more conveniently, as well as to afford due preffure 
as to be capable of being drawn by one horfe. Thefe where neceflary. When formed in this way, the tool has been 
e exaétly in the fame manner as thofe of the larger found to anfwer in the moft perfect manner, while at 
kind, and may be formed by any common workman. ime it 4 than .the comme 
rence -. them is that the tines fhould only be about forts of harrows. It is capable of being varied in. its 
feven inches in length. conftruétions, fo as to fuit the different intentions of the 
The large improved harrow of this nature has ufually farmer. When well made, -and rendered complete, it ufu- 
three or four bulls, which contain about thirty-four tines ally cofts about fix pounds fix fhillings, It may be feen at 
that have the length of about eleven inches, and which are fig. 5. 
a little racked or bent forward, by which means es do not ” Gaps Harrow.—In many parts of the. ir, em om it is the 
fo readily rife out of the ground on meeting with obftructions, cuftom to make ufe. of a {mall light kind ow, with 
and have the power of reducing the foil much more per- hort light tines, fet very.clofe upon the grafs lands, efpe- 
Fedlly. cially where they are much fubjeét to be over-run with mofs, 
_ The two narrow parts are gga together by the ufe in order to break and deftroy its matted roots. It is alfo 
t the set diftance that beneficial in covering in. grafs-feeds, as well as other {mall 
the different bulls are from each aise by which the set kinds of feeds, though much see little had recourfe to in 
aE uch cafes ; as it is capable of not only rendering the bed 
than when they are plac rer to. each other. The ee of mould much more fine, but alfo of introducing the feed 
Tows would likewife veg ae width behind than igi to the moft proper depth, and covering it in the pen com- 
o re readily. relinquifh the ris manner. Where grafs-feeds are to be fown over thin, 
ay particles, and gather is roots of couch and other , {ward lands, this fort of harrow may ikewile ve 
far rane effeGually. A well. conitruéted harroy: of previ iat sat ere advantage. A harrow pf 
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the crooks an of pofition in 
two jt sg - bolts through the bulls, and nuts, and that, in the harrow which is reprefented at i. ae 
35 ¢, f, are the two fore-bolts, or wedges, in each which is conftantly drawn in the direCtion of the line aa, 
harrow ; ig 4, the two hind ones; i, &, 4, m,n; 0; thew the the twenty tines only form eleven different ruts or trac 
ulls of the foremoft and admit harrows, which are as a number of them follow each other in the fame nde, 
“apped with iron at the upper ends, to keep the bulls toge- and even fome of thefe are not in the leaft effeétive, as the 
ther, and make them flide more readily by any obftrugting two on the eos OMNeTS 4,4; a, dy are us unconnected 
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Ruts: “and et aay A rit ng tag ove eo —, f ms tg they do more harrow t w that a isfeen at at fi 2. "gh has 
See Senet t to them is feen at ste eles dient only fixteen tines, yet a 
