PL^VTE \Tr. 



Pho.fphatir m/cul/js', urir acid nur/ruA-. 



K..^ 



X J It 



Calcidu,',- of (Kv^tlate of'liJn< 





Ke/icd cii.sL-i. Sonw deprived of 

 rpithcli^ir/i.. Two are de<y)ef' colored 

 Horn (he pre<sefice ofura-te of soda. 



Stcaiffi/f force/js u.sed 

 ui /'ef/70^■Lnf/ ccd^idi . 



llaines.del nftor Uurtrol D'Arbovnl 



JULIUS BIEN & CJ 



CALCULI AND IXSTRUMENT FOR REMO^^\L . 



