Fig. 4
Photo of a microscopic flake of gold in the filler material. Magnification ×60, incident ring light (a; photo by R. Hanus) and FT-IR spectrum of the marked part of the filler (b)
Fig. 4 | Heritage Science
Photo of a microscopic flake of gold in the filler material. Magnification ×60, incident ring light (a; photo by R. Hanus) and FT-IR spectrum of the marked part of the filler (b)
