[X 425 1]

Some are formed of caſt iron, others of wood, the ſmaller ones of a ſolid log; the larger are conſtrutted of a piece of ſolid timber in the centre, and the outfide framed of nar- row planks, ſheathed upon narrow ribs of wood, proje&ing from the centre piece; the whole ſhut in at both ends, and forming a roller ſix feet in length, and five in diameter. "This machine is drawn by two horſes a-breaſt, with the af- ſiſtance occaſionally of two horſes in front. The frame 1s fitted above with a box to be loaded with extraordinary weights when required. In the Carſe-lands a roller with large iron ſpikes 1s alſo ſometimes uſed to break the clods. In a dry ſeaſon it 15 found dificult to reduce the ſtrong clay land under ſummer fallow, even with all theſe helps. It is often found neceſſary to wait for a ſhower before the cloddy land can be attacked with any proſpe& of ſucceſs.!

Threfhing mächzines. Of theſe there are ſeveral in the county, and they do a great deal of work. The ſtraw ſuf- fers more under this operation, than by that of the flail 5) The expence, however, of threſhing corn by the machine, rather than in the ordinary way, is a ſaving of full one third. But as the farms are generally ſmall, the*introduc- tion of that implement does not appear to be on the in- ereaſe.]

One of the firſt threſhing machines in the iſland, was, 50 years ago, ereded in this county by a gentleman of con- üderable fortune: but, although examined by many perſons of enterpriſe, no other was built in imitation of it. The movement was by a water wheel. It is believed that ſome hints were taken from it by thoſe engineers who have ſince brought that uſeful inſtrument to its preſent ſtate of perfec- tion. Thoſe now in uſe, in this county, are regulated by a wheel turned by one or two horſes, and coſt from L, 35

to L. 5o Sterling.

Winnowigg