Dimensions: 276 x 178 mm 2 Photographer: C. Kleingrothe Date: 1906 - 1910 Description: Albumen print mounted on thin cardboard support with size 336 x 283 x 0.4 mm 3 . The image shows one year old Hevea trees with the soil covered with Kratok on the rubber plantation Goenoeng Koepak in West-Java. The text “Kleingrothe O.K. v. Sumatra” is embossed in the lower right corner of the photograph.