por Randa Alam El Deen 13 anos atrás
247
Mais informações
Investigation and Judgement
Conclusion
Uncertainty
Much at Stake
Dr. Wandless' Decision
Art Historians
Brushwork
Very Characteristic
Visual Elements Composed Differently
Unsigned
Scientists
Spectroscopic Techniques
Fluorescence Data
X-Ray Fluorescence (XRF).
Electrons
Pigments
Composition Matching
An Original Nineteenth Century Painting
Four Different Strata
Infrared Spectroscopy (IR)
Pigment Mix Not Widely Used
Animal Glue Binder
Underdrawing
Ultraviolet (UV) Spectrum
Oil Base Shows Age