OOPS!
 
Right after I wrote that message, I went back in and found the patent!
So thank you all, but I don't need the info: instead I will relay it all
to you...
 
patent number 04631581
issue date 12-23-1986
Assignee Sarastro AB
Inventor K.S. Carlsson
title: method and apparatus for microphotometering microscope speciments
 
 
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M.H. Montrose, Ph.D.
   Johns Hopkins University             tel: 410-955-9681
      Ross 930                              FAX: 410-955-9677
         720 Rutland Avenue                            email: [log in to unmask]
            Baltimore, MD 21205
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