C 3 ] 
feeing till a great while after I had fallen into the fol- 
lowing Method) the moft calculated for Ufefulnefs* 
but their Machines are neither fo fimple nor accurate, 
as fuch a Work requires ; not to mention their being 
intirely without one for obferving the Force of the 
Wind. 
After thefe free Expreflions, nothing but a fincerc 
Intention would juftify me to myfelf, for prefuming 
to offer the following Plan ; except it were a full 
Dependence upon the Honour and Candour of the 
Royal Society , whofe Humanity and Condefcenfioti 
to the meaneftof its Well-wifhers I have more than 
once already experienced, 
SECT. I. 
An Account of the Diary hi general , 
a Page of a Folio Paper-Book, opening broad- 
ways, are drawn, at proper Diftances, nine ho - 
rizontal, and kvtn. perpendicular Lines $ in the void 
fquare Spaces of which the Particulars of the Diary are 
written down. Thefirftof the horizontal Lines is for 
the Days of the Month and Week , on which the Exa- 
mination is made : The fecond for the Hour of the 
Day The third for the Weight of the Air : The 
fourth for its Heat \ The fifth for its Moiflure , or 
Drynefs : The fixth for the Quarter of the Wind : 
The feventh for its Force : The eighth for the Wea- 
ther 5 as whether it be rainy , or cloudy , or clear : 
The ninth for the Quantity of Rain 5 and the Space 
A 2 between 
