Chap. XXL Of the Wheat-Drill 347 



fceing faften'dup by the other Hole, inclines to either 

 Side -, then we draw it right by a Nail driven into this 

 Hole, e, e, are Two very fmall Notches, into which 

 the Sides of the Trunk are jointed, to protect them 

 from being torn out by the Earth or Stones that might 

 rub againft them, f is the Tail of the Share, which, 

 when it is in its Place, will make the right Angle before 

 defcribed in Fig. 2. and from which Tail, to the Fore- 

 part of the Socket, is the Length of the Bottom of 

 the Sheat, viz. Six Inches and an half. The Breadth 

 pf the Share Three quarters of an Inch. 



Fig. 4. fhews one Side of the Share. Theprick'd 

 Line a e fhews the Bevel of the Fore-end of the 

 Socket^ the upper Edge of which mu ft bear upon the 

 Fore-part of the Sheat below / in Fig. 2. and the 

 pther Part of the Share will bear againft the Bottom 

 pf the Sheat, from d to r, and will befaftened up by 

 a flat Nail, pamng thro 5 the foremoft Hole of the Share, 

 and entering the Hole g in the Sheat ; which Nail 

 being bended in the faid Hole (which Holefhould be 

 at leaft an Inch Diameter) will hold the Share faft to 

 the Sheat ; and, by unbending this Nail, the Share 

 may be eafily taken off, upon Occafion, without da- 

 maging the Sheat. Note, This Hole in the Share 

 ought to be wider below than above, and the Head 

 pf the Nail of the fame Shape; or elfe, as the Share 

 wears thinner, it might come off. The prick'd Line, 

 near the Fore-part of the Sheat, fhews where a Shoul- 

 der muft be cut on each Side of it, becaufe otherwife 

 the Sheat, being thicker than the Breadth of the Socket 

 of the Share, could not enter it : But take care, that 

 the Share do not bear againft thefe Shoulders. 



Fig. 5. is one Side of the Trunk, being a thin 

 Plate of Iron, and is often made of the Blade of an 

 old Scythe : It is to be riveted on to one Side of the 

 Sheat, to another of the fame on the oppofite Side, 

 by Three Rivets pafling thro' them both, with the 

 Sheat in the Middle of them \ which 1 Holes appear 



both 



