(ii INTRODUCTION:

and to put immediately in practice€e- very alteration which I thought would be an improvement. Ict is to fuch en- couragements, and the opportunities thereby given me for improving my ploughs, that I ani indebted for the good character which they have given me, both in this neighbourhood and at a diſtance.

The ſame gentlemen who have en- couraged my attempts to improve the plough, have alſo flattered me with the hopes that I would do a ſervice to ſoci- ety, if I ſhould make public my notions upon this ſubje&. I have therefore ſet them forth, ſuch as they are, with ſome degree of truſt that my ſentiments will be found pretty juſt, and with almoſt a certain confidence, that ploughs, made

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