CLA£Sin:ATi03 

 DIVISION- 



/ 



/^///.//.v/./ 







■^^^ 



^ /:. .- ^t' /r'^Z/ylUifi^ 



-'^^, 



' v:. y^^yry,. 



,-;...„.- --'^ 



Figure 13. — William Edwards' Patent, 1812. Some American tanners kept 

 abreast of the latest European improvements. 



31 



681-431—64 



