to your censures, hath been to testify my gratitude to your experienced society nor could I omit to direct it to you, as It hath been my ambition that you should be sensible of my proficiency of endeavours in this art. To all honest well-intending men of our profession, or other, this book cannot but be acceptable, as it plainly and profitably discovers the mystery of the whole art; for which, though I may be envied by some that only value their private interests above Posterity and the publick good, yet God and my own conscience would not permit me to bury these my experiences with my silver hairs in the grave: and that more especially as the advantages of my education hath raised me above the ambitions of others, in the converse I have had with other nations, who in this art fall short of what I have known experimented by you, my worthy countrymen. Howsoever the French by their insinuations, not without enough of ignorance, have bewitcht some of the Gallants of our Nation with