of Pure Metals fyc. at the Boiling-point of Oxygen. 335 



Carbon (Adamantine) 

 from a Woodhouse and 

 Rawson incandescence 

 lamp. 



Carbon from an Edison- 

 Swan incandescence 

 lamp, No. 2. 



Carbon from an Edison- 

 Swan incandescence 

 lamp, No. 1. 





II II 



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II II 





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w 00 



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Temperature of 



melting carbonic 



acid. 



en i 

 CO 1 

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o 



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CD I-* 



x § 



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 © 



to , 



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 ^ O 



© 



Temperature of 

 boiling ethy- 

 lene. 





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x ££ 

 © 



CO . 



bo 



x ge 



Temperature of 

 boiling oxygen. 



GO 

 .CD 



a 



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p 



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