Fig. 3From: Optimizing compositional images of daguerreotype photographs using post processing methodsWell preserved daguerreotype. Sixth plate daguerreotype 69.9 × 82.6 mm/2¾ × 3¼ inches portrait of an unknown woman. Red, blue, yellow, and gold in the dress bow, book binding, and tablecloth represent hand painted pigments unassociated with the photographic process. Dotted outline marks the region covered by XRF imagingBack to article page