pension upon the web of pulp as it passes beneath. 

 These threads are fed automatically to the trough, so 

 that a uniform distribution is effected. 



WATERMARKS AND SPECIAL PAPERS 



A volume of interesting stories might be written about 

 watermarks, and the important part they have played 

 in romance, crime, and every-day life during the last 

 five or six centuries since their discovery. Tales of 

 forgeries detected and criminals apprehended, innocent 

 persons liberated, and guilty ones imprisoned, would 

 fill many pages of that interesting book. A fair sample 

 of these would be the story of a famous forgery case of 

 a century ago, involving a vast amount of property, 

 where the case hinged upon a certain document which 

 seemed to be authentic, but which was finally detected 

 as a clever forgery by the watermark. It was definitely 

 proven that the watermark of the paper on which the 

 document was drawn was not used until several years 

 after the supposed date of the document. From this 

 mute but conclusive evidence there was no appeal; and 

 no chance remained for a difference of opinion. 



But cases of this nature have been discovered so 

 frequently as to be almost commonplaces in the history of 

 crime. Quite as interesting are the historical features 

 of some of the ancient watermarks. For the process of 

 thus putting an indelible mark upon paper has been 

 known since early in the fourteenth century. The very 

 first of these marks was in the form of a ram's horn; 

 and later it was customary to use such commonplace 



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