SOCIAL HISTORY of PHOTOGRAPHY optical census of the column of Marcus Aurelius; photographed piece by piece by Domenico Anderson (1854-1938); son and continuation of the profession of Scottish protophotographer James Anderson (1813 - 1877) who moved to Rome in 1838; where he started an intense and thriving photographic reproduction of ancient works for study and tourism / commercial purposes. The Colonna census; commissioned by Kaiser Wilhelm II; required the erection of a balance structure consisting of a perforated mobile terrace; moved by four pulleys at the top of the upper capital; the platform of the statue of St. Paul. Photography; Rome 1895