CONTENTS xi 



PAGE 



Manufacture 427 



Preparation and cost of raw material 427 



Excelsior machines 427 



Baling press 427 



. Description of operation 430 



CHAPTER XXII. CORK 



General 433 



The cork oak 434 



Harvesting the bark 435 



Yield and value 437 



Manufacture 438 



Utilization of cork 440 



Index 445 



