By David A. Scott, Jerry Podany, Brian B. Considine
The protection and examine of metals when it comes to the issues of decay and applicable tools of exam and therapy more and more contain collaboration among scientists and conservators. The 16 essays during this quantity concentrate on real gadgets from a variety of classes and cultures. individuals comprise Thomas Chase of the Freer Gallery in Washington, D.C., at the know-how of chinese language bronze casting; Paola Fiorentino of the Istituto Centrale del Restauro in Rome at the conservation of the equestrian statue of Marcus Aurelius; Knud Holm of the nationwide Museum of Denmark at the recovery of nineteenth-century zinc sculptures; Ian MacLeod of the Western Australian Maritime Museum at the conservation of metals from underwater websites; and W. Andrew Oddy of the British Museum at the use of gold foil and twine through the Iron Age in southern Africa.
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Extra resources for Ancient & Historic Metals: Conservation and Scientific Research
Few studies have been published on the effect of the soil type on the composition of patinas (Geilmann 1956; Tylecote 1979; Robbiola et al. 1988; Robbiola 1990). A R C H A E O L O G I C A L C O N T E X T The lake of Neuchâtel in the western part of Switzerland contains many important lake settlements that have been excavated over recent decades by the archaeological unit of the Canton of Neuchâtel under the directorship of Michel Egloff. E. (Benkert and Egger 1986). ) were found in the different occupation layers (Rychner 1991).
Most publications on microbial corrosion of metals under anaerobic conditions concern the corrosion of ferrous metals (Panter 1980). A short review of literature TABLE 5. Electron- microprobe analyses of the corrosion layer of a bronze Bronze Bronze int. crust Int. crustb Ext. 94 Hauterive-Champréveyresa Pb % nd nd nd nd _____ (Lab MAH 87-194). 99 a Analyses by R. Oberhänsli, Mineralogical-petrographical Institute of the University of Berne, Switzerland. Mean values of 3 measurements. c Mean values of 5 measurements.
The restoration was begun in 1987 and took 18 months to complete. Four restorers and the students of ICR’s school of restoration participated under the author’s technical management. 3. 5 µS cmϪ1. 0 µS cmϪ1 for internal surfaces. 4. 5 For a similar use of the Rm resin see Fiorentino et al. 1982. 5. A localized treatment was carried out with repeated applications of 1 g of agar-agar and 6 g of glycerine in 80 ml of water + aluminium foil at 60–80 °C. Retouching was done with watercolors. 6. Alcohol, acetone, toluene, benzene, and xylene were used for this purpose.
Ancient & Historic Metals: Conservation and Scientific Research by David A. Scott, Jerry Podany, Brian B. Considine