Supplement to "Nature," February 27, 1919. 



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TEST TUBES 

 PORCELAIN BASINS 

 CLASS BEAKERS 

 FILTER PAPERS 

 PORCELAIN CRUCIBLES 

 THERMOMETERS 

 CLASS FLASKS 

 NICKEL BASINS 

 PURE CHEMICALS 

 COMBUSTION TUBINC 

 NICKEL CRUCIBLES 

 SOFT CLASS TUBINC 

 COMMERCIAL 



CHEMICALS 

 CLASS FUNNELS 

 DISTILLATION FLASKS 

 LIEBIC'S CONDENSERS 

 KIPP'S APPARATUS 

 CALCIUM CHLORIOE 



TUBES 

 STOPPERED REACENT 

 BOTTLES 

 BURETTES with CLASS 

 STOPCOCK 

 MEASURINC CYLINDERS 

 CRADUATEO FLASKS 

 BURETTES with 



PINCHCOCK 

 PIPETTES 

 WATCH CLASSES 

 CAS JARS 

 RUBBER TUBINC 

 RUBBER CORKS, ETC. 



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