5 Treffer anzeigen

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

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

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

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, young rubber tree (Castilloa elastica) (Ule rubber), New Guinea subtitle: Stoedtner, Franz (photo publisher) (photographer), 1900