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^^//m/Cm/f/yC^^e^zsi/, P/iSt. ^rMnli/ic director. 



Apr. 26, 1905* 



-12- 



Dr, George G. Kennedy, 



Readviiie, Mass. 

 Dear Doctor :- 



Your favor of the 24th is at hand. We nave never added 

 the Greenough binocular compound microscope to our line, although we have 

 been preparing for doing this and expect in the course of time to. make it 

 ourselves. In the meantime it is made by Zeiss, whose ^rice is 195 marks 

 for the stand alone, which would make it cost you $75*00 net with cay 

 paid. The special objectives for use with it would be the combination 

 (Pj) (Plankton Searcher) and one of still lower power, 55mm focal 



length. These are supplied in special settings and mounted in pairs on 

 the slides* The price of each of tnese pairs would be 45 marks, which 

 would cost you $17*10 duty paid, except the (Pi) which would be 55 marKs, 

 and which would oost you $20.90 duty .aid. Zeiss states that the most 

 / suitablg eyepieces would be the Huygh.enian 1 and 5, These would cost you 

 $2.66 each duty paid. It would give us pleasure to serve you if we may 



nave that privilege* 



Yours very truly, 



