Figure 13. From top to bottom: Original photo (Ducci), printout as black and white image on foil, image obtained by diazotype, same image under UV light (motif: East Side Gallery Berlin/Germany)

From

Diazotype – A Historical Copying Process

Matthias Ducci

World Journal of Chemical Education. 2021, 9(4), 136-143 doi:10.12691/wjce-9-4-6