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ADVERTISEMENT, 
Juft Publilh’d 
Ethodus Incrementorum Dire&a, & Inverfa, Au- 
<ftore Brook Taylor, L. L. D. & R- S. Seer. In 
two Parts. In the firft Part are explain’d the Principles 
of the New Incremental Method, and by the means of 
that the Method of Fluxions is more fully explain’d than 
has yet been done; it being Ihew’d how this Method is 
deduced from the former, by taking the firft and laft 
Ratio’s of the nafeent and evanefeent Increments. In 
the fecond Part the Ufefulnefs of thefe two Methods is fet 
forth by feveral Examples, viz. i. In the fumming up 
of Arithmetical Seriefes. 2; In finding all the figurate 
Numbers. 3. In the finding of Tangents, Rays of Con- 
cavity, and the Quadrature of all forts of Curves. 4. 
The Catenaria. 5. The Velaria. 6. The Fornix. 7. The 
Vibration of a Mufical String. 8. The Centers of Ofcil- 
Jation and Percuftion. 9. The Denfity of the AtmoP 
phere. 10. The Refra&ion of Light palling thro’ the 
Atmofphere, 4*0- Printed for W. Innys at the Princes 
Arms in St. Paul's Church Tard. 
An Account of this Book will be given in a following 
Tranfatftion. 
