x ije/tM*44 ,a<t 



/ 



+ 



$ 







9 



Nft Arfeniouf acid k Sulphuretud Bp drf p m . 



.. 2 





*» 



..3 



't 



• / 



with Sulphate of Copper & ammonia 

 with Limtwattr. 



•' 4- A.rscnite of pohissa & tutrat* of silver. 



-.5 



• 7 



cU\ 



• # 



■ * 





fa miiruUe of Cobalt. 



with mwiatf tf XufaU. 



asrduZuted with sulphuric acid fr toiukaw a Zhi* plate 



'. 8 Ar&stiiauj ctcui & corrvshv Sublimat* with l+lnicw«le* 



'i 



& 



> wiih Uydrafulphwei otA*nmonui,. 



/'Jf'//f/' /f< /< 





■i 



3 



4- 



X°l.ArsmU and wiih Lime or barytirwatrr, ' 



H ^ 







wtihSxtlphate Of COpp"' fr a>n>neni« 



~ 3 Arstniats of petessa k nifoitf of **** 



with sulphur^ hyJrofttw. 



4 





5 





with Zinc plat*. 



