Instrumental analyses of the original daguerreotypes, electrotypes, printing matrices and prints on paper, as well as the assessment of their state of preservation.

Scientists analyzing data on a PC.

Analyzing Micro-XRF data at the Atomic Institute of TU Wien.

Scientist analyzing a sample under a scanning electron microscope.

Scanning electron microscope - USTEM TU Wien

Scientist holds a round daguerreotype in front of the back of the original.

Round daguerreotype in front of the back of the original.

X-ray diffraction measurement of a daguerreotype

X-ray diffraction measurement of a daguerreotype.

Daguerreotype under a light microscope

Daguerreotype under a light microscope.