CENTRIFUGES. 



The Physicians Friend. 



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Accurate. 



Time-Saving. 



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$10.00 



Manual of Centrifugal Analysis 

 Free with Each Machine. 



FIGURE ONE-HALF ACTUAL SIZE. 



Spiral Geared Centrifuge 



COMPLETE WITH GRADUATED PERCENTAGE TUBE AND 

 SEDIMENTATION TUBE. THE ACTUAL PER CENT. OF ALL 

 THE PRINCIPAL ELEMENTS, SUCH AS 



Phosphates, Sulphates, Chlorides, and Albumen, are obtained 

 in THREE MINUTES only, 



AS WELL AS ALL ELEMENTS FOR MICROSCOPICAL EXAMINATION. 



Bausch & LoMB Optical Company, 



160 NORTH ST. PAUL STREET, ROCHESTER, N. Y. 



