Transactions Arrver Phil Soc. Vol XT\T PTatelS. 





Head before 



I) e signed & executed byPersifor Frazer. Jr., of Philadelphia 

 the Jmn erio an PhiloRophicaL Society at Philadelphia, < 



June 17^ 1870. 



Qres&|; 

 lie agents. 





GcLierwiRs 





Phanbtfcrous 



Sil ' i clous 



Spa£fuc 



Pyr\txc 



Blerubic 



u 



£ 

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Sulphurous 



to 



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Arse til oils 





Fyrito T?len3ic 



Sil~ico-Vyritir 



Si ha j tilendam: 



Ha w Matt 



i Hedaa/Je of Iron 



Heavy Spar 



Fluor Spar 



Tiunvp-ore 



tiartz 



Coke 



SuXphi 



AcidoTlmdAam 



Zitublrnde 



Arse/ucatflritps 



Saltpetre 



Xiirt& 



^thrrbCoppt 



l'b. M 

 lAq.-a.SBJtuHmxis 



\au7."X>,o 



VhZ3-2%0 

 I fa 17-40,0 



Mo s erdhal Tifti 327 Wakrol St 



'■m%r heaiZs point to the process try which a substance is treated, and are grouped aroiln 



The products of eae;lL process are gireri- in tli e lilies drawn out front each 

 Points on. a line invhids the column, orvevther side. 



the point 

 centre-. 



indicating the process. 



