Figure 3
SEM images collected from daguerreotype PSC70:112 [Fig. 1(b)] within the ROI indicated in Fig. 2. (a) General shadow region with surface tarnish; the location of EDX (shown in Fig. 4) examination is outlined. (b) High magnification of shadow region. (c) High magnification of highlight area. (d) Transition between highlight and shadow regions. |