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BODMER, G. R. Hydraulic Motors and Turbines net 12 6 



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BONNEY, G. E. Electro Plater's Handbook net 2 6 



Electrical Experiments ... net 2 6 



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BOTTONE, S. R. Guide to Electric Lighting net 1 



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Galvanic Batteries, their Theory, 



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BOYD, R. N. Petroleum, its Uses, etc. ... net 2 



BRODIE, C. G. Dissections Illustrated ... net 10 6 



BROWNE, A. J. JUKES. Elementary Geology net 2 6 



BURNS, D., and KERR, G. L, Modern Practice of 



Coal Mining. Parts ... ... each net 2 



CHAMBERS, G. F. Astronomy, for General Readers we* 1 



COOKE, C. J. B. British Locomotives ... net 6 



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CRAPPER, E. H. Arithmetic of Alternating Currents. 



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