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Thursday, 9th March, 1905

Published online by Cambridge University Press:  10 May 2010

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Proceedings
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Proceedings of the Society of Antiquaries of London , Volume 20 , Issue 1 , June 1905 , pp. 242 - 246
Copyright
Copyright © The Society of Antiquaries of London 1905

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References

page 243 note * Archaeologia, lvi, 290, et seq.

page 245 note * The cementation process for the manufacture of brass, which was practised by the Romans and in England until recent times, was as follows : a mixture of granulated copper, charcoal, and calamine (an ore consisting of carbonate of zinc) was heated in a crucible ; the zinc in the calamine was reduced to the state of metal by the charcoal ; it then alloyed with the copper, forming brass.

page 245 note † Vasco de Gama visited the east coast of Africa in 1497–8.