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            Glen
            Spectra are pleased to announce an extension of their calibration 
           facilities to include Photo Research instruments. 
          
           A comprehensive service 
           and fully traceable to N.I.S.T. recalibration facility is now 
           available in the U.K. for the benefit of all Photo Research 
           photometer, spectroradiometer and colourimeter users. The periodic 
           recalibration of such equipment is critical to maintaining the 
           extremely high level of accuracy associated with all Photo Research 
           equipment and therefore the opening of a local centre means that a 
           convenient, fast response and cost effective recalibration service is 
           now available. 
          
           Glen Spectra took over 
           representation of Photo Research in May 2002, adding to an already 
           impressive list of U.S. companies associated with light measurement. 
          
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