CONTENTS 



FIGURES- -Continued 



Page 

 9 Notes on some of the reissued editions of original 



patents annotated in Volume II 7 



10 Page from title list of Voltune III 8 



11 Page from subject index of Volume III 9 



12 Page from subject index of Volume I 40 



13 Annotations illustrating assignment of keywords 42 



14 Additional annotations illustrating assignment of keywords. . . 43 



