Vol. XVJ1L . 



fhilos. Trans . 



fl 



AM. 



Qo^ec/rtcy ^^cAa^lae^ Am^ Wafer, ^a. f&& My. 



Fy.8. 



Ty.8. 



Fy.10. () Tig. 11. 



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w 



Fy.13. 



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Fig. 14. **&''*• A *** 



A & 



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Ftg.17. 



Madrw ScKufScll 



Fubtished Iv CkR.Baldwin.of New Bridge Street Londcn.1809. 



