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Thursday, 9th March, 1905
Published online by Cambridge University Press: 10 May 2010
Abstract
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- Type
- Proceedings
- Information
- 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
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.