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From the Latin
Translation of COMMANDINE.
To which is added,
of LOGARITHMS; Likewise
Spherical TRIGONOMETRY; With
of this WORK:
By Doctor JOHN KEIL, F. R. S.
Now done into ENGLISH.
The Whole revis'd; where deficient, supplied; where
loft or corrupted, restord. Also
Mr. Heynes, and other Trigonometrical Writers, aré
here are given Solutions Geometrically true.
By Mr. SAMUEL CUNN.
aad. & d.
Dr. K E I L's PREFACE.
YOUNG Mathematician may be surprized, to see the old obsolete Elements of Euclid appear afresh in Print ; and thåt too
after so many new Elements of Geometry, as have been lately publisk'd; especially since those who gavė us the Elements of Geometry, in a neto Manner, would have us believe they have detected a great many Faults in Euclid. These acute Philosophers, pretend to have discover'd that Euclid's Definitions are not
perspicuous enough; that his Demonstra. tions are scarcely evident ; that his whole