If THE 



CONTENTS 



A 



Calculation of the Credibility of Hu- 

 ^ mane Teftimony. u Page i 



A Letter from the Reverend Dr. Wallis, Pro- 

 fejfor of Geometry in the Vniverfity of Oxford, 

 and Fellow of the Royal Society, London, t* 

 Mr. Richard Norris, concerning; the Colle- 

 ction of Secants and the true Divifion of the 

 Meridians in the Sea-Chart. £ 

 r An eafie Demonstration of the Analogy of the 

 Eogarithmick^Tangents to the Meridian Line 

 orfum of the Secants with various Methods 

 for computing the fame to the utmoft Exatlnefs, 

 £yE.Halley. *° 

 ' A mofi compendious and facile Method for Con- 

 ftrutting the Logarithms, exemplified and de- 

 monstrated from the Nature of Numbers, with- 

 out any regard to the Hyperbola, with afpee- 

 dy Method for finding the Number from the 

 Logarithm given. By E. Halley. _ 37 

 A Solution given by Mr. John Collins, of a 

 Chorographical Problem, Propofed by Richard 

 Townley, Efq\ S3 

 The Solutions of three Chorographic Problems, by 

 a Member of the Philofophical Society of 



Oxford. ft: . S 8 



An Arithmetical Paradox, concerning the Chances 

 of Lotteries \ by the Honour Me Francis Rob- 



1 A 2 ertS 



