'I 



To the Honourable the 



Lady Betty Germain. 



Madam, 



t?S H E N a Book intended for 



the Benefit of Mankind 

 written with that fole View, 



> 



and preferring Ufe to Often 



tation 



> 



r 



eq 



un'e 



ome Name under 



whofe Protedlion it might be received 



with Favour 



the World, it will 



not appear ftrange to any, unlefs per 



haps to yourfeli", 



prefixed. 



that 



ours 



fhould 



e 



I am no Flatterer, Madam, 



but 



think it a Duty thofe who have it in 

 leir Power to make Truth public 



owe to Mankind, that they 



lOU 



ace Virtue in the moft conlincuous 



A 2 



Light 



