Geography Economic geography Stimulants, aetheric oils and fragrance-producing plants Aetheric oils and fragrances, resins and varnishes, rubber and gutta-percha, dye-producing plants, young rubber tree (Castilloa elastica) (Ule rubber), New Guinea subtitle: Stoedtner, Franz (photo publisher) (photographer), 1900

History of technology Technology and economy Extraction of rubber and production of rubber Extraction of rubber, rubber tree, New Guinea subtitle: Stoedtner, Franz (photograph publisher) (photographer), 1900

Geography Economic geography Stimulants, aetheric oils and fragrance-producing plants Aetheric oils and fragrances, resins and varnishes, rubber and gutta-percha, dye-producing plants, rubber planting (Castilloa elastica), New Guinea subtitle: Stoedtner, Franz (Photograph publisher) (Photographer), 1900

Contains among other things: Guttapercha extraction in Dutch India

Contains among other things: Map of the Ramu Region (German New Guinea), M.: 1:2 000 000. n/a

Geography Economic geography Stimulants, aetheric oils and fragrance-producing plants Aetheric oils and fragrances, resins and varnishes, rubber and gutta-percha, dye-producing plants, natives of New Guinea bring the gutta-percha cakes obtained to a coastal station subtitle: Stoedtner, Franz (photo publisher) (photographer), 1900

I'll do it myself. Signature on a machine-written letter from the Syndicat for the establishment of a company for the extraction of rubber from forest cultures on Java in Berlin.

Contains among other things: Enquiries for the establishment of enterprises Report on the activities of the Rubber Central Office for the Colonies from Apr. 1911 to Apr. 1912 Circular letter of the German Association in Shanghai for the support of its efforts for comprehensive propaganda for Germanity in China Annual report 1912 of the Straits and Sunda Syndicate m. b. H. Hamburg

Geography Economic geography Irritants, aetheric oils and fragrance-producing plants Aetheric oils and fragrances, resins and varnishes, rubber and gutta-percha, dye-producing plants, cases of a strong palaquium suptianum: clearing of undergrowth, New Guinea subtitle: Stoedtner, Franz (photo publisher) (photographer), 1900