. Rudimentary treatise on agricultural engineering . aker, ofCottesmere. These ploughs may be used as either swing orwheel ploughs, the wheels being easily removed. Nearly allthe most approved English are now made in this manner. Kg. 6 shows the manner in which the wheels areattached. 36 HOWARD S PEIZE PLOUGH. Of the comparative merits of wheel and swing ploughs,much has been said and written by many persons interestedin the subject; and the balance of evidence thus given infavour of each is decidedly on the side of the wheel plough, orrather the land and furrow wheel-plough, one wheel of abou
. Rudimentary treatise on agricultural engineering . aker, ofCottesmere. These ploughs may be used as either swing orwheel ploughs, the wheels being easily removed. Nearly allthe most approved English are now made in this manner. Kg. 6 shows the manner in which the wheels areattached. 36 HOWARD S PEIZE PLOUGH. Of the comparative merits of wheel and swing ploughs,much has been said and written by many persons interestedin the subject; and the balance of evidence thus given infavour of each is decidedly on the side of the wheel plough, orrather the land and furrow wheel-plough, one wheel of about20 inches diameter running in the furrow, and the other oneof about 12 inches running on the top of the unploughedland—the width of the wheels apart may be adjusted to suitany width of furrow. HOWAED S PEIZE PLOUGH. This plough is made of iron (principally wrought), and isintended for ordinary ploughing, and is the smallest of aset of new ploughs recently designed and patented bv Gr. F. Howard. The new patent ploughs are made prin- Fig. cipally of wrought iron, and are all improved from their prizeploughs. They are made of three sizes, marked for distictionX., XX., XXX., suitable for ordinary, deep, and extra-deepploughing. The improvements consist in greater elegance of design,more equal proportions, and the furrow-turners being madeparticularly taper and regular in their curve, and formed Howards trize plough. 37 upon exact geometrical principles. The furrow-slice is thusmade to travel at an uniform rate, from its being first cutuntil left in its final position ; the power required to workthe implement considerably lessened, and the furrows laidmore evenly, and in the best form for the reception of theseed, as well as working much cleaner upon land inclined toadhere, or load to the breast, or furrow-turner. The sharesare fixed to lever nicks of wrought iron (made upon an im-proved principle), the raising or lowering of which gives thepohit greater or less pitch,
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