POLARIZED LIGHT MICROSCOPY IN CONSERVATION: A PERSONAL PERSPECTIVE
WALTER C. McCRONE
1. Instruction in the use of the PLM for the conservator is available at graduate programs in art conservation and at independent facilities such as the McCrone Research Institute.
Benedetti-Pichler, A.1965. Identification of materials. Vienna: Springer.
Cahill, T. A.1987. The Vinland Map, revisited. Analytical Chemistry50:829–3.
Chamot, E. M. and C. W.Mason. 1958. Handbook of chemical microscopy, vol. 1. New York: Wiley.
Hartshorne, N. H.1960. Crystals and the polarizing microscope. London: Arnold.
Low, M. J. D. and N. S.Baer. 1977. Application of infrared Fourier transform spectroscopy to problems in conservation. Part 1. General principles. Studies in Conservation22:116–28.
McCrone, W. C.1982. The microscopical identification of artists' pigments. Journal of the International Institute for Conservation—Canadian Group7(1–2):11–34.
McCrone, W. C.1984a. Tricks of the trade: Rescuing a particle from an Aroclor mount. The Microscope32:148–49.
McCrone, W. C.1984b. Use of Aroclors in microscopy. The Microscope32:277–88.
McCrone, W. C.1986. Solubility, recrystalliztion and microchemical tests on nanogram single particles. The Microscope34:107–18.
McCrone, W. C.1987. Authenticity study of a possible Manet painting. The Microscope35:173–95.
McCrone, W. C.1988. The Vinland map. Analytical Chemistry60:1009–18.
McCrone, W. C.1990a. 1500 forgeries. The Microscope38:289–98.
McCrone, W. C.1990b. The Turin shroud: Blood or artist's pigment. Accounts of Chemical Research23:77–78.
McCrone, W. C., J. G.Delly, et al. 1992. Particle atlas: Electronic edition. Hayward, Calif.: Micro-Dataware. Print edition 1974–1980.
McCrone, W. C., L. B.McCrone and J. G.Delly. 1984. Polarized light microscopy. Chicago: McCrone Research Institute.
Schneider, F. L.1964. Qualitative organic microanalysis. New York: Academic Press.
SOURCES OF MATERIALSEquipment necessary for a conservator's PLM laboratory
McCrone Accessories and Components 850 Pasquinelli Dr., Westmont, Ill. 60559Commercial laboratories include:
Charles Evans and Associates, 301 Chesapeake Dr., Redwood City, Calif. 94063
McCrone Group, 850 Pasquinelli Dr., Westmont, Ill. 60559
MVA, 5500 Oakbrook Parkway, Suite 200, Norcross, Ga. 30093
R. J. Lee Group, 350 Hockberg Rd., Monroeville, Pa. 15146
Structure Probe, P.O. Box 656, West Chester, Pa. 19381Cargille refractive index liquids:
R. P. Cargille Laboratories, 55 Commerce Rd., Cedar Grove, N.J. 07009KAP extended arm stereomicroscope:
Schleuter Instrument Corporation, Twin Lakes Technological Park, 4699 Nautilus Court, Suite 105, Boulder, Colo. 80301
WALTER C. MCCRONE received B. chem. and Ph.D. degrees from Cornell University. He worked at the Illionois Institute of Technology Research for 12 years before starting his own research laboratory, McCrone Associates, in 1956. His special interests have always been chemical microscopy, crystallography, and ultramicroanalysis. He has more than 350 technical publications, including 12 books. In 1960 he started the McCrone Research Institute, devoted to teaching and fundamental research. He is editor and publisher of the international applied journal of microscopy, The Microscope. He is an Honorary Member of the American Institute for Conservation, a Fellow of the International Institute for Conservation and the American Academy of Forensic Sciences, an Honorary Fellow of the Royal Microscopical Society, and a member of many other societies. He has received a number of awards: Benedetti-Pichler (1970), Ernst Abbe (1977), Anachem (1981), and Criminalist of the Year (1985), among others. Address: McCrone Research Institute, 2820 S. Michigan Ave., Chicago, Ill. 60616–3292.