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Previous	Fv73.N5 J6 History of American technology.	Fv J8.1 History of technology. vol 1:From early times to fall of ancient empires. Illus.	FvN J8 History of technology, ed. by Charles singer, E.J.Holmyard, A.R.Hall and Trevor I.Williams.Vol 5.Late nineteenth century,c 1850 to c 1900	Fz7 Q1 Industrial Chemistry: New applications processes and systems	G Biology Concepts & Connections.	G Biology Concepts & Connections.	G Life the Science of biology	Next

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