Gil Macarrón et al., 2014: THE MOUNTING OF TWO BIRDS
Figure 7: Documentation and identifying label of the
pink flamingo.
Figure 6: Pink flamingo. Unknown taxidermist, 1891
used in the investigation of the materials used
in coating of some parts of the pink flamingo.
Also, OM was employed to determine the
Documentary sources have been used for
nature of the filler material. We used a
historical and material study of both pieces,
petrographic microscope (OLYMPUS model
through consultation the archive MNCN-CSIC
BX51 with accessory for fluorescence U-MNU2
(see Appendix 1) and specific bibliography
and digital camera DP21-CU).
(Calatayud, 1987; Barreiro, 1992; Rubio
Aragonés, 2001), and by making personal
stratigraphic study of the layers of paint, in the
interviews with Josefina Barreiro and Luis
study of the preservatives, and in the
Castelo Vicente from MNCN-CSIC. To determine
identification of the material used in the
the nature of the constituent materials of both
construction of internal structures of the golden
pieces, various analytical techniques have been
eagle and the flamingo. The samples were
analyzed with a JEOL (JSM 6400) with an
X-ray radiography and CT were applied to study
acceleration voltage of 20 kV, with a LINK,
the internal structure of birds and distribution
model eXL spectrometer with a resolution of
of fillers. The analyses were made with a fixed
138 eV to 5,39 KeV.
X-ray apparatus (Philips Super 100CP; 150kV,
FTIR was used for the identification of some
650mA) and with a computed radiography
materials that have been applied over the pink
system (Agfa CR30-X with display stations and
flamingo. It was performed on a Nicolet 6700
Agfa Drystar NX 5302 laser printer). CT-scans
spectrometer with a Smart Orbit Diamond
were performed with a Philips MX 4000 Dual
30,000­200 cm­1 ATR (attenuated total
Computed Tomography Scanner with the
reflectance) accessory. The spectra were
following settings: 120kV/40mA/0.0s/r.WL:400
recorded between 4,000 and 500 cm­1.
GC/MS was used as well for the identification of
Optical microscopy with selective staining was
81 Journal of Paleontological Techniques