List of Illustrations


2 Figure 1a: Albumen cabinet card untoned, showing typical low contrast, faded yellow.
2 Figure 1b: Same subject, gold-toned, chocolate brown.
2 Figure 2a: tarnish, not revealed by side lighting.
2 Figure 2b: tarnish, visible with vertical lighting
S3 Figure 3a: Cameo print, front, side-lighting.
S3 Figure 3b: Cameo print, rear, side-lighting.
5 Figure 4: Newspaper portrait enlarged to show halftone dot pattern.
7 Figure 5: Daguerreotype removed from case, showing edge tarnish.
7 Figure 6: Ambrotype component parts.
7 Figure 7a: Tintype, dark with poor tonal range, dark whites.
7 Figure 7b: Tintype, good tonal range, good whites
7 Figure 8: Gem tintype.
AI Figure 9: Light photo of Daguerreotype used for SEM analysis.
AI Figure 10: SEM micrograph of Daguerreotype, low magnification of analysis region.
AI Figure 11: SEM micrograph of Daguerreotype, light/dark boundary.
AI Figure 12: SEM micrograph of Daguerreotype, amalgam particles in boundary area.
AI Figure 13: SEM micrograph of Daguerreotype, high magnification of amalgam particles.
AI Figure 14: SEM micrograph of corrosion on Daguerreotype.
AII Figure 15: Crayon print: dimensions 16" x 20"
AII Figure 16: Original cabinet card of crayon print.
AII Figure 17: FOTOFIND report: exposed fiber papers.