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Die Carl Johans Gade in Oslo, vormals Christiania, der Hauptstadt von Norwegen, aufgenommen um 1900. COLORIZING PROCESS COMBINING PHOTOGRAPHY AND COLOR LITHOGRAPHY. IT IS USED FROM 1890 TO THE1920 'S TO CREATE A COLOR PRINT FROM A BLACK AND WHITE NEGATIVE, USING BETWEEN FOUR AND FOURTEEN STONES, MADE FROM ROCKLIKE SUBSTANCES, TO COLORIZE THE PRINT WITH SEVERAL DIFFERENT INKS. (KEYSTONE/PHOTOCHROM-GESELLSCHAFT/PHOTOCHROM COLLECTION)