6, To k^ep a %egifler of all chants of Wind 
and Weather at all hours kjf Cf\ight and by 
^ayyfhm'mgthe pointy the Wind bloy»s from, 
mphether Jlrong or mak^i The^B^ms ^ Hail, 
Snoypyand the like • the precife times of their 
beginnings md continuance ; efpecially Wm^' 
ricans, Spouts ; but Soveall to ta^e ex^ 
aB care toobferve t^e Trade- Winds , about 
vphat degrees of Latitude ^w^ Longitude 
they fir/t begin where and when they ceafe 
or change ,.. orgron» Jlronger or maker , and 
heifi^ much- asnear and exaBasmay be. 
r*T*He ftrength of the Winds is meafured by an Inftrumeac, fuch ' 
' X as is reprefented hy Figure 6 y which being expofed to the 
"Wind , fo as the flat fide may be right againft it , the number of 
J>tgrees Vi^onxhe Limb A S, to which the Wind blows up, or rai- 
' fes, that flat fide CD, fbews the force or ftrength of the Wind, in 
proportion to the refiftance of the flat fide of the Inftrumentf 
and is to be recorded. 
t 
