To The 
RIGHT HONORABLE 
rULKE Lord BROOKE 
Of 
My Lord; 
Avtng CompJeated the fifteenth Vo^ 
lume of the Philofophical Tranf^ 
a6tions, ( 'which contains part of 
the great Stock of Experimental Learning, 
communicated to /Zj^" Royal Society the laji 
year,) I now HumhJy T)edicate it to Tour 
Lordftiip ; a Perfon of Honor, alwys 
ready to Favor, 'whatever mak^sfor the Im- 
provement ofKno'wJege/md the Vuhlic Good. 
But this imperfect Chardler of Tour 
Lord&ip, tho of it felf fufficient tojuftify 
the prefent Addrefs, is not the only Induce- 
ment to it : I could mention, ho'w much We 
are all indebted to Tour Lordftiip, for a 
Unform and Steddy Loyalty to the King, 
and a Tiom Love for Tour Country : 
