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SINES, TANGENTS, SECANTS, AND VERSED-SINES,
Profeffor of Mathematics in the Royal Military Academy, Woolwich.
L O N D ON:
PRINTED FOR G. G. J. AND J. ROBINSON, AND R. BALDWIN,
He very ample introduction, prefixed to the
following collection of Mathematical Tables, has superceded the necessity of using many words here by way of preface, and has left me little more to mention than the necessity and occasion of this work, with some account of the contents and mode of execution.
The undertaking was occasioned by the extreme incorrectness of the 5th, or laft, edition of Sherwin's once very useful book of tables. Finding, as well from the report of others, as from my own experience, that that edition (to say nothing of the very improper alteration in the form of the table of sines, tangents, and secants) was so very incorrectly printed, the errors being multiplied beyond all tolerable bounds, and no dependence to be placed on it for any thing of real practice, I was led to undertake the painful office of preparing a correct edition of another similar work. And I was lucky enough to meet with a bookseller of sufficient spirit to be at the great expence of printing the book, as well as to allow me what I demanded for my trouble in preparing it; which demand however, was nothing adequate to the great labour attending it,