Proceedings concerning the improvement of all manner of land, and also for all sorts of leather : VVith many addresses unto Parliaments, and other supreme authorities formerly in power : as also petitional motions unto the supreme authority of this nation, the Parliament of the Commonwealth of England, Scotland, and Ireland, and the dominions and territories thereunto belonging, that they would be pleased to make use of the proposer, in entertaining his abilities with acts of Parliament, according to the lawes of this and all civil nations ; that then thereby he may be impowred lawfully and honourably to put in exercise his undertakings : the profitable effects and conveniences of them being hereafter sufficiently proved and cleared : all which designes are undertaken to be performed by new wayes and means, more speedy, cheap and easie than hath hitherto been discovered, and are acquired by the industry and diligent search into the mysteries of nature, of Thomas Ducket, Esq., very well deserving the perusal of persons of all degrees, that love ingenuity, and the more flourishing prosperity of the Commonwealth.