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A DESCRIPTION of the SAFETY-LAMP, invented by Geoi^g*. 

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UTLINES OF GEOLOGY. Being the Substance of a Cours of 

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By WILLIAM THOMAS BRANDE, 



Sec. R.S. F. r!s. E. Prof. Chem , R. L, &c. 



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A POPULAR TilEATISE on the PREVENTION and CUBE 

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