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27 



Industrial Chemistry ; a 

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 ' Pre'cis de Chimie Indus- 

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Gwilfs Encyclopedia of 

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The Three Cathedrals 

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Hints on Household 

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Lathes and Turning, 

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Handbook of Practical 



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Principles of Mechanism, 

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Perspective ; or, the Art 

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Encyclopedia of Civil 



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