SUPPORTING SERVICES 



103 



in 1837, when fifty impressions a day per press was considered 

 adequate, to the present capacity of one hundred and ten thousand 

 impressions per day reveals the dramatic increase in the litho- 

 graphic reproduction capability of the Office. A stringent quality 

 control program is maintained to uphold the high graphic 

 and editorial integrity required of products which are used to 

 guide ships carrying valuable cargo on the oceans of the world. 



In addition to the conventional printing capability noted above, 

 and as a direct result of the Vietnamese military action, the 

 Office has been called upon to expedite chart production even 

 further. As a result, chart substitutes are being produced, using 

 pseudo color separation techniques in combination with more 

 conventional procedures. I'hese charts are now printed on a 

 plastic base paper substitute and have been widely acclaimed 

 by users. 



A recently installed sixty-inch process camera together with 

 four 48-inch process cameras make a very imposing capability. 

 The vastly improved drafting and engraving techniques and 

 materials and the acquisition of phototypesetting equipment have 

 also contributed toward the dramatic growth in the printing of 

 extremely accurate nautical charts and publications now issued 

 by the U. S. Naval Oceanographic Office, 



284-444 O - 67 - 8 



