66o SCIENCE PROGRESS 



The following is a list of other well-known Quaker firms : 



That such a number of important firms should have been founded by so 

 small a community is a remarkable fact. Quakers have never formed more 

 than a small fraction of the population. The only statistics known to me on 

 this point are the following : 



In i66i the number of Quakers living in Great Britain was 30,000 to 40,000 

 „ 1669 ,, ,, ,, ,, ,, ,, ,, „ 60,000 



., 1727 .. » » " .. .. .. .. 60,000 



(Between the years 1727 and 1820 there was a rapid decrease in numbers, 

 as previously explained.) 



In 1862 the number of Quakers living in Great Britain was 17,034 

 „ 1876 „ ,, „ „ „ „ „ „ „ 17,000 



.. 1920 „ „ „ „ „ „ „ „ „ 19.130 



