.2 r -• ( * ) 
Numb* 3^8. Beginning 
the 29th Volume. 
PHILOSOPHICAL 
TRANSACTIONS. 
For the Months of January , February and March , 1714. 
The CONTENTS. 
I. * b E Preface to the (Reader, giving an Ac- 
count of the Publijhers Defign and Me- 
thod, and inviting the curious ObferVers of the 
Phenomena, the diligent Inquirers into the Pow- 
ers and Operations of Natural Agents, and the 
happy Inventors of new DifcoVeries , to contribute to- 
wards the carrying on thefe Publications with Sue - 
cefs, by generoufly communicating their ObferVations , 
; DifcoVeries and Inventions to the Publijher. 
II. Logometria. Audtore Rogero Cotes, Trin. Coll. 
Cantab. Socio- Aftronomiae & Philofophiae 
A ExperL 
