Scientific instruments European brass

Pollard, A.M. (1983b). An investigation of the brass used in Medieval and later European scientific instruments. Paper presented at The Preservation of Historical Scientific Materials, UKIC Meeting, Geological Museum, London, 14th November 1983. 

Figure 6.8 Summary of the maximum zinc content of European brass scientific instruments (ca. AD 1400-1800), classified by country of origin. (Redrawn from Pollard, 1983b, and Mortimer, 1989 Figure 1 by permission of Elsevier Science and the author.)...

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